{
    "contract": "GMI_DATALAB_PUBLIC_EXPORT_V1",
    "report_id": "RH-8E64379112F2A803",
    "region_id": "US-PA",
    "language": "en",
    "title": "Pennsylvania Population, Economy, Jobs & Key Trends | Data Lab",
    "url": "https://greenblog.co.kr/en/data-report/pennsylvania-population-economy-jobs-key-trends-data-lab-2/",
    "region": {
        "region_key": "us_pa",
        "region_id": "US-PA",
        "region_name": "Pennsylvania",
        "geo_level": "state"
    },
    "region_profile": [
        {
            "label": "Geography level",
            "value": "State"
        },
        {
            "label": "Parent geography",
            "value": "United States"
        },
        {
            "label": "Capital",
            "value": "Harrisburg"
        },
        {
            "label": "Largest city",
            "value": "Philadelphia"
        },
        {
            "label": "State capital",
            "value": "Harrisburg"
        },
        {
            "label": "Largest city",
            "value": "Philadelphia"
        },
        {
            "label": "Latest population",
            "value": "13.02M"
        },
        {
            "label": "Tracked indicators",
            "value": "6"
        },
        {
            "label": "Observation period",
            "value": "1681–2025"
        }
    ],
    "coverage": {
        "period_start": "1681",
        "period_end": "2025"
    },
    "template_id": "population_change",
    "metrics": [
        {
            "metric_key": "EIA_SEDS:TEPRB",
            "label": "Total primary energy production",
            "topic": "energy",
            "unit": "Billion Btu",
            "provider": "US_EIA",
            "source_url": "https://api.eia.gov/v2/seds/data/",
            "dataset_key": "TEPRB",
            "observations": [
                {
                    "period": "1985",
                    "value": 2436744
                },
                {
                    "period": "1986",
                    "value": 2558675
                },
                {
                    "period": "1987",
                    "value": 2461492
                },
                {
                    "period": "1988",
                    "value": 2519988
                },
                {
                    "period": "1989",
                    "value": 2540308
                },
                {
                    "period": "1990",
                    "value": 2714752
                },
                {
                    "period": "1991",
                    "value": 2554138
                },
                {
                    "period": "1992",
                    "value": 2689243
                },
                {
                    "period": "1993",
                    "value": 2414362
                },
                {
                    "period": "1994",
                    "value": 2557295
                },
                {
                    "period": "1995",
                    "value": 2526881
                },
                {
                    "period": "1996",
                    "value": 2748584
                },
                {
                    "period": "1997",
                    "value": 2883808
                },
                {
                    "period": "1998",
                    "value": 3017017
                },
                {
                    "period": "1999",
                    "value": 3024840
                },
                {
                    "period": "2000",
                    "value": 2978664
                },
                {
                    "period": "2001",
                    "value": 2932238
                },
                {
                    "period": "2002",
                    "value": 2788069
                },
                {
                    "period": "2003",
                    "value": 2642543
                },
                {
                    "period": "2004",
                    "value": 2715502
                },
                {
                    "period": "2005",
                    "value": 2682430
                },
                {
                    "period": "2006",
                    "value": 2654791
                },
                {
                    "period": "2007",
                    "value": 2664316
                },
                {
                    "period": "2008",
                    "value": 2735862
                },
                {
                    "period": "2009",
                    "value": 2657146
                },
                {
                    "period": "2010",
                    "value": 3051085
                },
                {
                    "period": "2011",
                    "value": 3848782
                },
                {
                    "period": "2012",
                    "value": 4712839
                },
                {
                    "period": "2013",
                    "value": 5847963
                },
                {
                    "period": "2014",
                    "value": 7108292
                },
                {
                    "period": "2015",
                    "value": 7443336
                },
                {
                    "period": "2016",
                    "value": 7756951
                },
                {
                    "period": "2017",
                    "value": 8100457
                },
                {
                    "period": "2018",
                    "value": 8992467
                },
                {
                    "period": "2019",
                    "value": 9611946
                },
                {
                    "period": "2020",
                    "value": 9472237
                },
                {
                    "period": "2021",
                    "value": 10128862
                },
                {
                    "period": "2022",
                    "value": 9962481
                },
                {
                    "period": "2023",
                    "value": 10086850
                },
                {
                    "period": "2024",
                    "value": 9911312
                }
            ],
            "summary": {
                "first_period": "1985",
                "first_value": 2436744,
                "latest_period": "2024",
                "latest_value": 9911312,
                "change": 7474568,
                "change_pct": 306.7440814463891
            }
        },
        {
            "metric_key": "EIA_SEDS:TETCB",
            "label": "Total energy consumption",
            "topic": "energy",
            "unit": "Billion Btu",
            "provider": "US_EIA",
            "source_url": "https://api.eia.gov/v2/seds/data/",
            "dataset_key": "TETCB",
            "observations": [
                {
                    "period": "1985",
                    "value": 3345824
                },
                {
                    "period": "1986",
                    "value": 3286424
                },
                {
                    "period": "1987",
                    "value": 3472305
                },
                {
                    "period": "1988",
                    "value": 3643313
                },
                {
                    "period": "1989",
                    "value": 3652258
                },
                {
                    "period": "1990",
                    "value": 3632889
                },
                {
                    "period": "1991",
                    "value": 3574762
                },
                {
                    "period": "1992",
                    "value": 3672203
                },
                {
                    "period": "1993",
                    "value": 3743720
                },
                {
                    "period": "1994",
                    "value": 3815840
                },
                {
                    "period": "1995",
                    "value": 3878039
                },
                {
                    "period": "1996",
                    "value": 3908529
                },
                {
                    "period": "1997",
                    "value": 3878568
                },
                {
                    "period": "1998",
                    "value": 3718943
                },
                {
                    "period": "1999",
                    "value": 3761268
                },
                {
                    "period": "2000",
                    "value": 3930803
                },
                {
                    "period": "2001",
                    "value": 3841084
                },
                {
                    "period": "2002",
                    "value": 3899649
                },
                {
                    "period": "2003",
                    "value": 3943918
                },
                {
                    "period": "2004",
                    "value": 3991628
                },
                {
                    "period": "2005",
                    "value": 4022884
                },
                {
                    "period": "2006",
                    "value": 3892981
                },
                {
                    "period": "2007",
                    "value": 3949447
                },
                {
                    "period": "2008",
                    "value": 3926058
                },
                {
                    "period": "2009",
                    "value": 3608128
                },
                {
                    "period": "2010",
                    "value": 3736054
                },
                {
                    "period": "2011",
                    "value": 3727635
                },
                {
                    "period": "2012",
                    "value": 3623869
                },
                {
                    "period": "2013",
                    "value": 3832199
                },
                {
                    "period": "2014",
                    "value": 3958080
                },
                {
                    "period": "2015",
                    "value": 3873568
                },
                {
                    "period": "2016",
                    "value": 3738684
                },
                {
                    "period": "2017",
                    "value": 3738826
                },
                {
                    "period": "2018",
                    "value": 3899981
                },
                {
                    "period": "2019",
                    "value": 3793398
                },
                {
                    "period": "2020",
                    "value": 3388304
                },
                {
                    "period": "2021",
                    "value": 3615328
                },
                {
                    "period": "2022",
                    "value": 3743995
                },
                {
                    "period": "2023",
                    "value": 3606065
                },
                {
                    "period": "2024",
                    "value": 3612264
                }
            ],
            "summary": {
                "first_period": "1985",
                "first_value": 3345824,
                "latest_period": "2024",
                "latest_value": 3612264,
                "change": 266440,
                "change_pct": 7.963359698537639
            }
        },
        {
            "metric_key": "ACS:B01003_001E",
            "label": "Population",
            "topic": "population",
            "unit": "persons",
            "provider": "US_CENSUS_DATA_API",
            "source_url": "https://api.census.gov/data/2024/acs/acs5",
            "dataset_key": "B01003_001E",
            "observations": [
                {
                    "period": "2011",
                    "value": 12660739
                },
                {
                    "period": "2012",
                    "value": 12699589
                },
                {
                    "period": "2013",
                    "value": 12731381
                },
                {
                    "period": "2014",
                    "value": 12758729
                },
                {
                    "period": "2015",
                    "value": 12779559
                },
                {
                    "period": "2016",
                    "value": 12783977
                },
                {
                    "period": "2017",
                    "value": 12790505
                },
                {
                    "period": "2018",
                    "value": 12791181
                },
                {
                    "period": "2019",
                    "value": 12791530
                },
                {
                    "period": "2020",
                    "value": 12794885
                },
                {
                    "period": "2021",
                    "value": 12970650
                },
                {
                    "period": "2022",
                    "value": 12989208
                },
                {
                    "period": "2023",
                    "value": 12986518
                },
                {
                    "period": "2024",
                    "value": 13018639
                }
            ],
            "summary": {
                "first_period": "2011",
                "first_value": 12660739,
                "latest_period": "2024",
                "latest_value": 13018639,
                "change": 357900,
                "change_pct": 2.8268492068275
            }
        },
        {
            "metric_key": "ACS:B19013_001E",
            "label": "Median household income",
            "topic": "income",
            "unit": "US dollars",
            "provider": "US_CENSUS_DATA_API",
            "source_url": "https://api.census.gov/data/2024/acs/acs5",
            "dataset_key": "B19013_001E",
            "observations": [
                {
                    "period": "2011",
                    "value": 51651
                },
                {
                    "period": "2012",
                    "value": 52267
                },
                {
                    "period": "2013",
                    "value": 52548
                },
                {
                    "period": "2014",
                    "value": 53115
                },
                {
                    "period": "2015",
                    "value": 53599
                },
                {
                    "period": "2016",
                    "value": 54895
                },
                {
                    "period": "2017",
                    "value": 56951
                },
                {
                    "period": "2018",
                    "value": 59445
                },
                {
                    "period": "2019",
                    "value": 61744
                },
                {
                    "period": "2020",
                    "value": 63627
                },
                {
                    "period": "2021",
                    "value": 67587
                },
                {
                    "period": "2022",
                    "value": 73170
                },
                {
                    "period": "2023",
                    "value": 76081
                },
                {
                    "period": "2024",
                    "value": 77971
                }
            ],
            "summary": {
                "first_period": "2011",
                "first_value": 51651,
                "latest_period": "2024",
                "latest_value": 77971,
                "change": 26320,
                "change_pct": 50.95738707866256
            }
        },
        {
            "metric_key": "ACS:B25077_001E",
            "label": "Median home value",
            "topic": "housing",
            "unit": "US dollars",
            "provider": "US_CENSUS_DATA_API",
            "source_url": "https://api.census.gov/data/2024/acs/acs5",
            "dataset_key": "B25077_001E",
            "observations": [
                {
                    "period": "2011",
                    "value": 163200
                },
                {
                    "period": "2012",
                    "value": 164900
                },
                {
                    "period": "2013",
                    "value": 164700
                },
                {
                    "period": "2014",
                    "value": 164900
                },
                {
                    "period": "2015",
                    "value": 166000
                },
                {
                    "period": "2016",
                    "value": 167700
                },
                {
                    "period": "2017",
                    "value": 170500
                },
                {
                    "period": "2018",
                    "value": 174100
                },
                {
                    "period": "2019",
                    "value": 180200
                },
                {
                    "period": "2020",
                    "value": 187500
                },
                {
                    "period": "2021",
                    "value": 197300
                },
                {
                    "period": "2022",
                    "value": 226200
                },
                {
                    "period": "2023",
                    "value": 240500
                },
                {
                    "period": "2024",
                    "value": 254500
                }
            ],
            "summary": {
                "first_period": "2011",
                "first_value": 163200,
                "latest_period": "2024",
                "latest_value": 254500,
                "change": 91300,
                "change_pct": 55.943627450980394
            }
        },
        {
            "metric_key": "ACS:UNEMPLOYMENT_RATE",
            "label": "Unemployment rate",
            "topic": "employment",
            "unit": "percent",
            "provider": "US_CENSUS_DATA_API",
            "source_url": "https://api.census.gov/data/2024/acs/acs5",
            "dataset_key": "B23025_003E+B23025_005E",
            "observations": [
                {
                    "period": "2011",
                    "value": 7.889581166035717
                },
                {
                    "period": "2012",
                    "value": 8.467432920622254
                },
                {
                    "period": "2013",
                    "value": 8.951606957012713
                },
                {
                    "period": "2014",
                    "value": 8.557165150328743
                },
                {
                    "period": "2015",
                    "value": 7.902444758091369
                },
                {
                    "period": "2016",
                    "value": 7.193342027873202
                },
                {
                    "period": "2017",
                    "value": 6.473637876279358
                },
                {
                    "period": "2018",
                    "value": 5.8141270588047975
                },
                {
                    "period": "2019",
                    "value": 5.306045639770307
                },
                {
                    "period": "2020",
                    "value": 5.355952124453366
                },
                {
                    "period": "2021",
                    "value": 5.512562866864078
                },
                {
                    "period": "2022",
                    "value": 5.369599774875239
                },
                {
                    "period": "2023",
                    "value": 5.248147533047057
                },
                {
                    "period": "2024",
                    "value": 5.255532657358612
                }
            ],
            "summary": {
                "first_period": "2011",
                "first_value": 7.889581166035717,
                "latest_period": "2024",
                "latest_value": 5.255532657358612,
                "change": -2.6340485086771057,
                "change_pct": -33.38641752006511
            }
        }
    ],
    "timeline": [
        {
            "year": "1681",
            "period": "1681",
            "label": "1681",
            "branches": [
                {
                    "kind": "context_event",
                    "topic": "administration",
                    "source_name": "Pennsylvania Department of State",
                    "source_url": "https://www.pa.gov/agencies/dos/about",
                    "event_type": "",
                    "policy_domain": "",
                    "issuer": "",
                    "announcement_date": "",
                    "effective_date": "",
                    "official_document_title": "",
                    "policy_status": "",
                    "event_title_ko": "Pennsylvania Charter가 William Penn에게 부여",
                    "event_text_ko": "England의 Charles II가 William Penn에게 Pennsylvania 식민지 설립의 법적 기반이 된 헌장을 부여했다.",
                    "event_summary_ko": "Pennsylvania의 식민 행정과 정착 구조를 이해하는 제도적 출발점이다.",
                    "event_significance_ko": "Pennsylvania의 지역사를 미국 독립기부터가 아니라 식민지 형성 단계에서부터 이어서 볼 수 있게 한다.",
                    "event_regional_context_ko": "Philadelphia와 Delaware River 권역의 초기 정착·행정 체계가 이후 식민지 도시와 교통 구조의 기반이 됐다.",
                    "event_background_ko": "William Penn은 북미 영토를 요청했고 왕실 헌장을 통해 그 권리가 공식화됐다.",
                    "event_outcome_ko": "이후 Pennsylvania의 식민 행정과 정착이 전개됐지만 현대 에너지·인구·주택 지표의 직접 원인으로 해석하지 않는다.",
                    "event_data_context_ko": "현대 통계보다 수세기 앞선 사건이므로 최근 시계열과는 역사적 배경 수준에서만 연결한다.",
                    "event_title_en": "The Charter of Pennsylvania is granted to William Penn",
                    "event_text_en": "King Charles II of England granted William Penn the Charter of Pennsylvania, creating the legal foundation for the colony.",
                    "event_summary_en": "It provides an institutional starting point for Pennsylvania’s colonial government and settlement history.",
                    "event_significance_en": "The charter extends Pennsylvania’s regional history back to the formation of the colony rather than beginning with the Revolutionary era.",
                    "event_regional_context_en": "Early settlement and administration around Philadelphia and the Delaware River became part of the foundation for the colony’s urban and transport geography.",
                    "event_background_en": "William Penn petitioned for land in North America, and the Crown formalized the grant through a royal charter.",
                    "event_outcome_en": "Colonial government and settlement developed afterward, but the charter is not used as a direct explanation of modern energy, population, or housing measures.",
                    "event_data_context_en": "Because the event predates modern statistics by centuries, it is linked to the current measures only as historical context.",
                    "event_title_es": "La Carta de Pennsylvania es concedida a William Penn",
                    "event_text_es": "El rey Charles II de Inglaterra concedió a William Penn la Carta de Pennsylvania, creando la base legal de la colonia.",
                    "event_summary_es": "Ofrece un punto de partida institucional para el gobierno colonial y la historia del asentamiento de Pennsylvania.",
                    "event_significance_es": "La carta permite seguir la historia regional de Pennsylvania desde la formación de la colonia y no solo desde la era revolucionaria.",
                    "event_regional_context_es": "El asentamiento y la administración tempranos alrededor de Philadelphia y el río Delaware formaron parte de la base de la geografía urbana y de transporte de la colonia.",
                    "event_background_es": "William Penn solicitó tierras en Norteamérica y la Corona formalizó la concesión mediante una carta real.",
                    "event_outcome_es": "Después se desarrollaron el gobierno y el asentamiento coloniales, pero la carta no se usa como explicación directa de las medidas modernas de energía, población o vivienda.",
                    "event_data_context_es": "Como el hecho antecede por siglos a las estadísticas modernas, se vincula con las medidas actuales solo como contexto histórico.",
                    "event_related_places": [
                        "Philadelphia"
                    ],
                    "event_title": "The Charter of Pennsylvania is granted to William Penn",
                    "event_text": "King Charles II of England granted William Penn the Charter of Pennsylvania, creating the legal foundation for the colony."
                }
            ]
        },
        {
            "year": "1776",
            "period": "1776",
            "label": "1776",
            "branches": [
                {
                    "kind": "context_event",
                    "topic": "administration",
                    "source_name": "U.S. National Park Service",
                    "source_url": "https://www.nps.gov/inde/learn/historyculture/places-independencehall-assemblyroom.htm",
                    "event_type": "",
                    "policy_domain": "",
                    "issuer": "",
                    "announcement_date": "",
                    "effective_date": "",
                    "official_document_title": "",
                    "policy_status": "",
                    "event_title_ko": "Independence Hall에서 독립선언 승인",
                    "event_text_ko": "Second Continental Congress는 Philadelphia의 Pennsylvania State House, 오늘날의 Independence Hall에서 독립 결의와 독립선언 문안을 논의하고 승인했다.",
                    "event_summary_ko": "Philadelphia가 미국 건국사의 핵심 무대가 되었고, Pennsylvania의 정치·역사적 위상을 전국적 맥락으로 확장한 사건이다.",
                    "event_significance_ko": "오늘날 Independence National Historical Park가 지역 관광과 역사 교육의 핵심이 된 배경을 이해하게 한다.",
                    "event_regional_context_ko": "이 사건은 현대 통계 흐름보다 훨씬 이전의 정치사이지만 Philadelphia의 장기적인 상징성과 장소 정체성을 설명한다.",
                    "event_background_ko": "식민지 간 갈등과 독립 논의가 심화되면서 Continental Congress가 Philadelphia에서 독립 여부와 선언문 문안을 논의했다.",
                    "event_outcome_ko": "Independence Hall은 이후 미국 독립과 헌정 질서의 상징적 장소로 보존되었다.",
                    "event_data_context_ko": "현대의 인구·소득·주택·고용 지표 변화와 직접 연결하지 않고 장기 역사 맥락으로 본다.",
                    "event_title_en": "Congress approves the Declaration of Independence at Independence Hall",
                    "event_text_en": "The Second Continental Congress met in the Pennsylvania State House, now Independence Hall, where delegates approved independence and the Declaration of Independence.",
                    "event_summary_en": "The event placed Philadelphia at the center of the nation’s founding story and gave Pennsylvania a lasting place in the country’s civic geography.",
                    "event_significance_en": "It explains why Independence National Historical Park remains a major anchor for history, education, and visitation in the state.",
                    "event_regional_context_en": "The event predates modern statistical measures by centuries, but it provides essential context for Philadelphia’s enduring civic identity.",
                    "event_background_en": "As conflict between the colonies and Britain deepened, the Continental Congress in Philadelphia debated independence and the wording of a declaration.",
                    "event_outcome_en": "Independence Hall became an enduring symbol of American independence and constitutional government.",
                    "event_data_context_en": "It is treated as long-run historical context rather than as a direct explanation for modern population, income, housing, or employment changes.",
                    "event_title_es": "El Congreso aprueba la Declaración de Independencia en Independence Hall",
                    "event_text_es": "El Segundo Congreso Continental se reunió en la Pennsylvania State House, hoy Independence Hall, donde los delegados aprobaron la independencia y la Declaración de Independencia.",
                    "event_summary_es": "El acontecimiento situó a Philadelphia en el centro de la historia fundacional del país y dio a Pennsylvania un lugar duradero en su geografía cívica.",
                    "event_significance_es": "Explica por qué Independence National Historical Park sigue siendo un gran referente de historia, educación y visitas en el estado.",
                    "event_regional_context_es": "El acontecimiento es muy anterior a los indicadores modernos, pero aporta un contexto esencial para la identidad cívica duradera de Philadelphia.",
                    "event_background_es": "A medida que se intensificó el conflicto entre las colonias y Gran Bretaña, el Congreso Continental debatió en Philadelphia la independencia y el texto de una declaración.",
                    "event_outcome_es": "Independence Hall se convirtió en un símbolo duradero de la independencia estadounidense y del gobierno constitucional.",
                    "event_data_context_es": "Se interpreta como contexto histórico de largo plazo y no como explicación directa de los cambios modernos de población, ingresos, vivienda o empleo.",
                    "event_related_places": [
                        "Philadelphia",
                        "Independence National Historical Park"
                    ],
                    "event_title": "Congress approves the Declaration of Independence at Independence Hall",
                    "event_text": "The Second Continental Congress met in the Pennsylvania State House, now Independence Hall, where delegates approved independence and the Declaration of Independence."
                }
            ]
        },
        {
            "year": "1859",
            "period": "1859",
            "label": "1859",
            "branches": [
                {
                    "kind": "context_event",
                    "topic": "industry",
                    "source_name": "Pennsylvania Historical & Museum Commission",
                    "source_url": "https://www.pa.gov/agencies/phmc/historic-sites-and-museums/pahistory2go/drake-well-museum",
                    "event_type": "",
                    "policy_domain": "",
                    "issuer": "",
                    "announcement_date": "",
                    "effective_date": "",
                    "official_document_title": "",
                    "policy_status": "",
                    "event_title_ko": "Titusville의 Drake Well에서 상업적 석유 채굴 성공",
                    "event_text_ko": "Edwin Drake와 동료들은 Titusville에서 상업적으로 성공한 석유정을 완성하며 Pennsylvania 북서부를 초기 석유산업의 중심지로 만들었다.",
                    "event_summary_ko": "에너지 자원이 Pennsylvania의 산업 도시와 교통망, 노동 이동을 형성했던 긴 산업사의 출발점 가운데 하나다.",
                    "event_significance_ko": "석탄·철강뿐 아니라 석유 역시 Pennsylvania 산업 유산의 핵심임을 보여 준다.",
                    "event_regional_context_ko": "Titusville과 Oil Creek 지역은 서부·북서부 Pennsylvania의 산업유산 관광과 에너지 역사를 연결하는 장소다.",
                    "event_background_ko": "Pennsylvania 서부의 천연자원 개발과 운송 기술이 결합되며 새로운 상업적 에너지 산업이 형성되기 시작했다.",
                    "event_outcome_ko": "이 지역의 석유산업 역사는 Drake Well Museum과 산업유산 네트워크를 통해 보존되고 있다.",
                    "event_data_context_ko": "현대 가구소득이나 주택가치 변화의 직접 원인으로 단정하지 않고 산업 구조의 장기 배경으로 활용한다.",
                    "event_title_en": "The Drake Well succeeds at commercial oil drilling in Titusville",
                    "event_text_en": "Edwin Drake and his associates completed a commercially successful oil well at Titusville, placing northwestern Pennsylvania at the center of the early petroleum industry.",
                    "event_summary_en": "It marks a major starting point in the industrial history that tied Pennsylvania’s energy resources to towns, transport networks, and labor migration.",
                    "event_significance_en": "It shows that Pennsylvania’s industrial heritage extends beyond coal and steel to the rise of commercial petroleum.",
                    "event_regional_context_en": "Titusville and the Oil Creek area connect industrial-heritage tourism with the energy history of western and northwestern Pennsylvania.",
                    "event_background_en": "Resource development in western Pennsylvania combined with drilling and transport innovation to create a new commercial energy industry.",
                    "event_outcome_en": "The region’s petroleum history is preserved through the Drake Well Museum and Pennsylvania’s wider industrial-heritage network.",
                    "event_data_context_en": "It provides long-run industrial context and is not treated as a direct cause of modern household-income or housing trends.",
                    "event_title_es": "El Drake Well logra una perforación comercial de petróleo en Titusville",
                    "event_text_es": "Edwin Drake y sus colaboradores completaron en Titusville un pozo petrolero comercialmente exitoso, situando al noroeste de Pennsylvania en el centro de la primera industria petrolera.",
                    "event_summary_es": "Marca un punto de partida importante en la historia industrial que vinculó los recursos energéticos de Pennsylvania con ciudades, redes de transporte y movilidad laboral.",
                    "event_significance_es": "Muestra que el patrimonio industrial de Pennsylvania va más allá del carbón y el acero e incluye el surgimiento del petróleo comercial.",
                    "event_regional_context_es": "Titusville y la zona de Oil Creek conectan el turismo de patrimonio industrial con la historia energética del oeste y noroeste de Pennsylvania.",
                    "event_background_es": "El desarrollo de recursos en el oeste de Pennsylvania se combinó con innovaciones de perforación y transporte para crear una nueva industria energética comercial.",
                    "event_outcome_es": "La historia petrolera regional se conserva a través del Drake Well Museum y de la red más amplia de patrimonio industrial de Pennsylvania.",
                    "event_data_context_es": "Aporta contexto industrial de largo plazo y no se presenta como causa directa de las tendencias modernas de ingresos o vivienda.",
                    "event_related_places": [
                        "Pittsburgh"
                    ],
                    "event_title": "The Drake Well succeeds at commercial oil drilling in Titusville",
                    "event_text": "Edwin Drake and his associates completed a commercially successful oil well at Titusville, placing northwestern Pennsylvania at the center of the early petroleum industry."
                }
            ]
        },
        {
            "year": "1863",
            "period": "1863",
            "label": "1863",
            "branches": [
                {
                    "kind": "context_event",
                    "topic": "other",
                    "source_name": "U.S. National Park Service",
                    "source_url": "https://www.nps.gov/gett/learn/historyculture/civil-war-timeline.htm",
                    "event_type": "",
                    "policy_domain": "",
                    "issuer": "",
                    "announcement_date": "",
                    "effective_date": "",
                    "official_document_title": "",
                    "policy_status": "",
                    "event_title_ko": "Gettysburg 전투",
                    "event_text_ko": "남북전쟁 중 Union과 Confederate 군대가 Gettysburg 주변에서 충돌했고, 전투는 Pennsylvania 남중부를 미국 전쟁사의 중심 무대로 만들었다.",
                    "event_summary_ko": "Gettysburg는 오늘날 전쟁사·기념·관광이 결합된 대표 역사 경관이며 Pennsylvania의 국가적 역사성을 보여 준다.",
                    "event_significance_ko": "주 내륙의 한 지역이 미국 전체의 정치·사회 기억에서 중요한 장소가 된 계기다.",
                    "event_regional_context_ko": "Gettysburg는 Harrisburg와 Maryland 경계 사이의 남중부 지역을 대표하는 역사 거점이다.",
                    "event_background_ko": "Confederate 군대의 북진과 Union 군대의 대응이 Pennsylvania 안에서 맞물리며 대규모 전투로 이어졌다.",
                    "event_outcome_ko": "전장은 이후 보존·기념의 대상이 되었고 Gettysburg National Military Park의 핵심 역사 자산이 되었다.",
                    "event_data_context_ko": "현대 통계와 시기가 크게 다르므로 현재 경제·주택 흐름의 원인으로 연결하지 않는다.",
                    "event_title_en": "The Battle of Gettysburg",
                    "event_text_en": "Union and Confederate armies fought around Gettysburg during the Civil War, making south-central Pennsylvania the setting for one of the conflict’s defining battles.",
                    "event_summary_en": "Gettysburg is now a major landscape of military history, commemoration, and visitation, illustrating Pennsylvania’s national historical significance.",
                    "event_significance_en": "The battle transformed a Pennsylvania community into a place with enduring national meaning and memory.",
                    "event_regional_context_en": "Gettysburg is a major historical anchor in south-central Pennsylvania between Harrisburg and the Maryland border.",
                    "event_background_en": "A Confederate advance into the North and the Union response converged in Pennsylvania and produced a major battle around Gettysburg.",
                    "event_outcome_en": "The battlefield later became a major preservation and commemorative landscape within Gettysburg National Military Park.",
                    "event_data_context_en": "Because it is far removed from the modern statistical period, it is not used to explain current economic or housing movements.",
                    "event_title_es": "La batalla de Gettysburg",
                    "event_text_es": "Los ejércitos de la Unión y la Confederación combatieron alrededor de Gettysburg durante la Guerra Civil, convirtiendo al centro-sur de Pennsylvania en escenario de una de las batallas decisivas del conflicto.",
                    "event_summary_es": "Gettysburg es hoy un gran paisaje de historia militar, conmemoración y visitas, y refleja la relevancia histórica nacional de Pennsylvania.",
                    "event_significance_es": "La batalla transformó una comunidad de Pennsylvania en un lugar de significado y memoria nacional duraderos.",
                    "event_regional_context_es": "Gettysburg es un gran referente histórico del centro-sur de Pennsylvania entre Harrisburg y la frontera con Maryland.",
                    "event_background_es": "El avance confederado hacia el norte y la respuesta de la Unión convergieron en Pennsylvania y desembocaron en una gran batalla en torno a Gettysburg.",
                    "event_outcome_es": "El campo de batalla se convirtió después en un gran paisaje de preservación y conmemoración dentro de Gettysburg National Military Park.",
                    "event_data_context_es": "Dado que está muy alejada del periodo estadístico moderno, no se utiliza para explicar movimientos económicos o de vivienda actuales.",
                    "event_related_places": [
                        "Gettysburg National Military Park"
                    ],
                    "event_title": "The Battle of Gettysburg",
                    "event_text": "Union and Confederate armies fought around Gettysburg during the Civil War, making south-central Pennsylvania the setting for one of the conflict’s defining battles."
                }
            ]
        },
        {
            "year": "1889",
            "period": "1889",
            "label": "1889",
            "branches": [
                {
                    "kind": "context_event",
                    "topic": "disaster",
                    "source_name": "U.S. National Park Service",
                    "source_url": "https://www.nps.gov/jofl/index.htm",
                    "event_type": "",
                    "policy_domain": "",
                    "issuer": "",
                    "announcement_date": "",
                    "effective_date": "",
                    "official_document_title": "",
                    "policy_status": "",
                    "event_title_ko": "Johnstown Flood",
                    "event_text_ko": "South Fork Dam이 붕괴하며 Conemaugh Valley와 Johnstown을 휩쓴 대홍수가 발생했고, Pennsylvania 산업지역의 재난사에 큰 흔적을 남겼다.",
                    "event_summary_ko": "산업도시·하천·댐 관리가 맞물린 위험을 보여 주는 사건으로, 오늘날에도 Johnstown Flood National Memorial에서 보존·해설된다.",
                    "event_significance_ko": "Pennsylvania의 산업성장만큼이나 인프라 안전과 재난 대응의 역사도 중요하다는 점을 보여 준다.",
                    "event_regional_context_ko": "Johnstown와 Cambria County는 서부 내륙 산업지역의 역사와 재난 기억을 함께 보여 주는 장소다.",
                    "event_background_ko": "South Fork Dam과 상류 저수지, 하류의 산업도시가 같은 유역 안에 놓인 지리적 조건이 사건의 공간적 배경이었다.",
                    "event_outcome_ko": "재난 현장과 댐 유적은 국가 기념지로 보존되어 당시의 원인·피해·복구를 해설한다.",
                    "event_data_context_ko": "현대 지표와 직접 연결되는 사건은 아니며 장기적인 산업·인프라 위험의 맥락으로 본다.",
                    "event_title_en": "The Johnstown Flood",
                    "event_text_en": "The failure of the South Fork Dam sent a catastrophic flood through the Conemaugh Valley and Johnstown, leaving a lasting mark on the disaster history of industrial Pennsylvania.",
                    "event_summary_en": "The flood shows the risks created where industrial communities, river valleys, and infrastructure intersect, and its history is preserved at Johnstown Flood National Memorial.",
                    "event_significance_en": "It adds infrastructure safety and disaster response to the broader story of Pennsylvania’s industrial development.",
                    "event_regional_context_en": "Johnstown and Cambria County combine the industrial history of inland western Pennsylvania with a powerful disaster memory.",
                    "event_background_en": "The South Fork Dam, its reservoir, and downstream industrial communities shared the same watershed, creating the geographical setting for the disaster.",
                    "event_outcome_en": "The dam remains and surrounding landscape are preserved as a national memorial interpreting the disaster, its causes, and recovery.",
                    "event_data_context_en": "It is used as long-run context for industrial and infrastructure risk, not as a direct explanation for modern indicators.",
                    "event_title_es": "La inundación de Johnstown",
                    "event_text_es": "La rotura de la presa South Fork provocó una inundación catastrófica que atravesó el valle de Conemaugh y Johnstown, dejando una huella duradera en la historia de desastres de la Pennsylvania industrial.",
                    "event_summary_es": "La inundación muestra los riesgos que surgen donde se cruzan comunidades industriales, valles fluviales e infraestructura, y su historia se conserva en Johnstown Flood National Memorial.",
                    "event_significance_es": "Añade la seguridad de la infraestructura y la respuesta a desastres a la historia más amplia del desarrollo industrial de Pennsylvania.",
                    "event_regional_context_es": "Johnstown y Cambria County combinan la historia industrial del interior occidental de Pennsylvania con una fuerte memoria de desastre.",
                    "event_background_es": "La presa South Fork, su embalse y las comunidades industriales aguas abajo compartían la misma cuenca, creando el marco geográfico del desastre.",
                    "event_outcome_es": "Los restos de la presa y el paisaje circundante se conservan como memorial nacional que interpreta el desastre, sus causas y la recuperación.",
                    "event_data_context_es": "Se utiliza como contexto de largo plazo sobre riesgo industrial e infraestructura, no como explicación directa de los indicadores modernos.",
                    "event_related_places": [
                        "Pittsburgh"
                    ],
                    "event_title": "The Johnstown Flood",
                    "event_text": "The failure of the South Fork Dam sent a catastrophic flood through the Conemaugh Valley and Johnstown, leaving a lasting mark on the disaster history of industrial Pennsylvania."
                }
            ]
        },
        {
            "year": "1940",
            "period": "1940",
            "label": "1940",
            "branches": [
                {
                    "kind": "context_event",
                    "topic": "infrastructure",
                    "source_name": "Pennsylvania Turnpike Commission",
                    "source_url": "https://www.paturnpike.com/about-us/turnpike-history",
                    "event_type": "",
                    "policy_domain": "",
                    "issuer": "",
                    "announcement_date": "",
                    "effective_date": "",
                    "official_document_title": "",
                    "policy_status": "",
                    "event_title_ko": "Pennsylvania Turnpike 개통",
                    "event_text_ko": "Pennsylvania Turnpike가 개통되며 산악 지형을 가로지르는 제한접근 고속도로 시대가 시작되었고 Harrisburg와 Pittsburgh 사이 이동 구조가 크게 바뀌었다.",
                    "event_summary_ko": "동서 이동시간과 물류 연결을 줄이는 새로운 도로축이 생기면서 Pennsylvania의 도시·산업권 연결성이 강화됐다.",
                    "event_significance_ko": "Pennsylvania의 험준한 지형을 관통하는 교통 인프라가 지역 통합에 어떤 역할을 했는지 보여 주는 대표 사건이다.",
                    "event_regional_context_ko": "현재도 Turnpike는 동부·중부·서부 Pennsylvania를 잇는 주요 장거리 도로망의 일부다.",
                    "event_background_ko": "철도용으로 계획되었다가 미완성으로 남은 산악 통로와 공공 인프라 투자가 고속도로 건설에 활용됐다.",
                    "event_outcome_ko": "이 도로는 이후 확장되어 Pennsylvania의 장거리 이동과 물류를 담당하는 핵심 축으로 자리 잡았다.",
                    "event_data_context_ko": "현대 인구·소득 변화를 단일 도로의 효과로 보지 않고 주의 공간 구조를 만든 장기 인프라 배경으로 해석한다.",
                    "event_title_en": "The Pennsylvania Turnpike opens",
                    "event_text_en": "The Pennsylvania Turnpike opened as a limited-access highway across the state’s mountain terrain, reshaping long-distance travel between the Harrisburg and Pittsburgh regions.",
                    "event_summary_en": "The highway created a new east-west transportation spine that strengthened connections among cities, industrial regions, and freight routes.",
                    "event_significance_en": "It is a defining example of how transportation infrastructure helped integrate a state divided by difficult terrain.",
                    "event_regional_context_en": "The Turnpike remains part of the long-distance road network linking eastern, central, and western Pennsylvania.",
                    "event_background_en": "Earlier railroad grading through the mountains and public infrastructure investment helped make the highway project possible.",
                    "event_outcome_en": "The route later expanded and became a core corridor for long-distance passenger and freight movement across Pennsylvania.",
                    "event_data_context_en": "Modern population and income changes are not attributed to a single highway; the event is used as long-run infrastructure context.",
                    "event_title_es": "Se inaugura la Pennsylvania Turnpike",
                    "event_text_es": "La Pennsylvania Turnpike abrió como autopista de acceso limitado a través del relieve montañoso del estado, transformando los viajes de larga distancia entre las regiones de Harrisburg y Pittsburgh.",
                    "event_summary_es": "La autopista creó un nuevo eje de transporte este-oeste que reforzó las conexiones entre ciudades, regiones industriales y rutas de mercancías.",
                    "event_significance_es": "Es un ejemplo decisivo de cómo la infraestructura de transporte ayudó a integrar un estado dividido por un relieve difícil.",
                    "event_regional_context_es": "La Turnpike sigue formando parte de la red vial de larga distancia que conecta el este, centro y oeste de Pennsylvania.",
                    "event_background_es": "Trazados ferroviarios anteriores en las montañas y la inversión pública en infraestructura ayudaron a hacer posible el proyecto de autopista.",
                    "event_outcome_es": "La ruta se amplió después y se convirtió en un corredor central para el movimiento de pasajeros y mercancías de larga distancia en Pennsylvania.",
                    "event_data_context_es": "Los cambios modernos de población e ingresos no se atribuyen a una sola autopista; el acontecimiento se usa como contexto de infraestructura de largo plazo.",
                    "event_related_places": [
                        "Harrisburg",
                        "Pittsburgh"
                    ],
                    "event_title": "The Pennsylvania Turnpike opens",
                    "event_text": "The Pennsylvania Turnpike opened as a limited-access highway across the state’s mountain terrain, reshaping long-distance travel between the Harrisburg and Pittsburgh regions."
                }
            ]
        },
        {
            "year": "1979",
            "period": "1979",
            "label": "1979",
            "branches": [
                {
                    "kind": "context_event",
                    "topic": "disaster",
                    "source_name": "U.S. Nuclear Regulatory Commission",
                    "source_url": "https://www.nrc.gov/regulations-legislation/fact-sheets-brochures/backgrounder-on-the-three-mile-island-accident",
                    "event_type": "",
                    "policy_domain": "",
                    "issuer": "",
                    "announcement_date": "",
                    "effective_date": "",
                    "official_document_title": "",
                    "policy_status": "",
                    "event_title_ko": "Three Mile Island 원전 사고",
                    "event_text_ko": "Middletown 인근 Three Mile Island의 원자로에서 노심이 부분적으로 손상되는 사고가 발생했고 미국 원전 규제와 운영 관행에 큰 변화를 촉발했다.",
                    "event_summary_ko": "Harrisburg 지역의 에너지 시설 사고가 전국적인 원전 안전 논의와 규제 변화로 이어진 사례다.",
                    "event_significance_ko": "Pennsylvania의 에너지 역사를 생산뿐 아니라 안전·규제·공공신뢰의 문제까지 포함해 보게 한다.",
                    "event_regional_context_ko": "Three Mile Island는 Susquehanna River를 따라 형성된 중부 Pennsylvania의 에너지·산업 경관과 연결된다.",
                    "event_background_ko": "설비 고장과 운전 대응이 연쇄적으로 겹치며 원자로 냉각 문제와 노심 손상으로 이어졌다.",
                    "event_outcome_ko": "사고 이후 비상대응·운전원 교육·인적요인·규제감독 등 여러 분야에서 안전 기준이 강화됐다.",
                    "event_data_context_ko": "현대 실업률이나 주택가치의 단기 변화를 이 사고와 직접 연결하지 않고 에너지·규제 역사의 전환점으로 본다.",
                    "event_title_en": "The Three Mile Island nuclear accident",
                    "event_text_en": "A Three Mile Island reactor near Middletown suffered a partial reactor-core meltdown, prompting major changes in U.S. nuclear regulation and plant operations.",
                    "event_summary_en": "An energy-facility accident in the Harrisburg region became a national turning point in nuclear-safety regulation and operating practice.",
                    "event_significance_en": "It broadens Pennsylvania’s energy history from production alone to include safety, regulation, and public trust.",
                    "event_regional_context_en": "Three Mile Island is part of the energy and industrial landscape of central Pennsylvania along the Susquehanna River.",
                    "event_background_en": "A sequence of equipment failures and operator responses led to loss-of-cooling conditions and severe reactor-core damage.",
                    "event_outcome_en": "After the accident, emergency planning, operator training, human-factors engineering, and regulatory oversight were strengthened.",
                    "event_data_context_en": "It is treated as an energy and regulatory turning point, not as a direct explanation for modern unemployment or housing movements.",
                    "event_title_es": "El accidente nuclear de Three Mile Island",
                    "event_text_es": "Un reactor de Three Mile Island, cerca de Middletown, sufrió una fusión parcial del núcleo del reactor y provocó grandes cambios en la regulación nuclear y la operación de plantas en Estados Unidos.",
                    "event_summary_es": "Un accidente en una instalación energética de la región de Harrisburg se convirtió en un punto de inflexión nacional para la regulación de seguridad nuclear y las prácticas operativas.",
                    "event_significance_es": "Amplía la historia energética de Pennsylvania desde la producción hacia la seguridad, la regulación y la confianza pública.",
                    "event_regional_context_es": "Three Mile Island forma parte del paisaje energético e industrial del centro de Pennsylvania a lo largo del río Susquehanna.",
                    "event_background_es": "Una secuencia de fallos de equipos y respuestas operativas condujo a problemas de refrigeración y daños graves en el núcleo del reactor.",
                    "event_outcome_es": "Después del accidente se reforzaron la planificación de emergencias, la formación de operadores, la ingeniería de factores humanos y la supervisión regulatoria.",
                    "event_data_context_es": "Se interpreta como un punto de inflexión energético y regulatorio, no como explicación directa de los cambios modernos de desempleo o vivienda.",
                    "event_related_places": [
                        "Pennsylvania State Capitol"
                    ],
                    "event_title": "The Three Mile Island nuclear accident",
                    "event_text": "A Three Mile Island reactor near Middletown suffered a partial reactor-core meltdown, prompting major changes in U.S. nuclear regulation and plant operations."
                }
            ]
        },
        {
            "period": "1986",
            "year": "1986",
            "month": "",
            "label": "1986",
            "branches": [
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2558675,
                    "previous_value": 2436744,
                    "delta": 121931,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3286424,
                    "previous_value": 3345824,
                    "delta": -59400,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                }
            ]
        },
        {
            "period": "1987",
            "year": "1987",
            "month": "",
            "label": "1987",
            "branches": [
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2461492,
                    "previous_value": 2558675,
                    "delta": -97183,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3472305,
                    "previous_value": 3286424,
                    "delta": 185881,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                }
            ]
        },
        {
            "period": "1988",
            "year": "1988",
            "month": "",
            "label": "1988",
            "branches": [
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2519988,
                    "previous_value": 2461492,
                    "delta": 58496,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3643313,
                    "previous_value": 3472305,
                    "delta": 171008,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                }
            ]
        },
        {
            "period": "1989",
            "year": "1989",
            "month": "",
            "label": "1989",
            "branches": [
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2540308,
                    "previous_value": 2519988,
                    "delta": 20320,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3652258,
                    "previous_value": 3643313,
                    "delta": 8945,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                }
            ]
        },
        {
            "period": "1990",
            "year": "1990",
            "month": "",
            "label": "1990",
            "branches": [
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2714752,
                    "previous_value": 2540308,
                    "delta": 174444,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3632889,
                    "previous_value": 3652258,
                    "delta": -19369,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                }
            ]
        },
        {
            "period": "1991",
            "year": "1991",
            "month": "",
            "label": "1991",
            "branches": [
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2554138,
                    "previous_value": 2714752,
                    "delta": -160614,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3574762,
                    "previous_value": 3632889,
                    "delta": -58127,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                }
            ]
        },
        {
            "period": "1992",
            "year": "1992",
            "month": "",
            "label": "1992",
            "branches": [
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2689243,
                    "previous_value": 2554138,
                    "delta": 135105,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3672203,
                    "previous_value": 3574762,
                    "delta": 97441,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                }
            ]
        },
        {
            "period": "1993",
            "year": "1993",
            "month": "",
            "label": "1993",
            "branches": [
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2414362,
                    "previous_value": 2689243,
                    "delta": -274881,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3743720,
                    "previous_value": 3672203,
                    "delta": 71517,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                }
            ]
        },
        {
            "period": "1994",
            "year": "1994",
            "month": "",
            "label": "1994",
            "branches": [
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2557295,
                    "previous_value": 2414362,
                    "delta": 142933,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3815840,
                    "previous_value": 3743720,
                    "delta": 72120,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                }
            ]
        },
        {
            "period": "1995",
            "year": "1995",
            "month": "",
            "label": "1995",
            "branches": [
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2526881,
                    "previous_value": 2557295,
                    "delta": -30414,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3878039,
                    "previous_value": 3815840,
                    "delta": 62199,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                }
            ]
        },
        {
            "period": "1996",
            "year": "1996",
            "month": "",
            "label": "1996",
            "branches": [
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2748584,
                    "previous_value": 2526881,
                    "delta": 221703,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3908529,
                    "previous_value": 3878039,
                    "delta": 30490,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "context_event",
                    "topic": "policy",
                    "source_name": "Pennsylvania Public Utility Commission",
                    "source_url": "https://www.puc.beta.pa.gov/electricity/retail-markets/retail-markets-investigation/",
                    "event_type": "electricity_market_reform",
                    "policy_domain": "electricity",
                    "issuer": "Pennsylvania General Assembly",
                    "announcement_date": "",
                    "effective_date": "",
                    "official_document_title": "Electricity Generation Customer Choice and Competition Act",
                    "policy_status": "enacted",
                    "event_title_ko": "전력 소매시장 선택 제도 도입의 법적 기반 마련",
                    "event_text_ko": "주 의회는 전력 공급자 선택과 경쟁적 소매시장 형성을 위한 법적 틀을 마련했다.",
                    "event_summary_ko": "전력 생산·공급·배전 역할을 구분해 이해해야 하는 Pennsylvania 전력시장 구조의 중요한 제도적 전환점이다.",
                    "event_significance_ko": "에너지 생산량과 소비량만으로는 설명할 수 없는 시장 규칙과 소비자 선택 구조가 별도로 존재한다는 점을 보여 준다.",
                    "event_regional_context_ko": "Pennsylvania의 에너지 데이터는 자원 생산뿐 아니라 규제된 배전과 경쟁적 공급 선택이 함께 존재하는 제도 환경에서 읽을 필요가 있다.",
                    "event_background_ko": "기존 전력 유틸리티 체계에서 소비자 선택과 경쟁을 확대하려는 제도 개편이 추진됐다.",
                    "event_outcome_ko": "이후 Pennsylvania에서는 경쟁적 소매 전력시장을 감독하는 별도의 제도와 정책 운영이 이어졌다.",
                    "event_data_context_ko": "이 정책은 에너지 시계열의 직접 원인으로 단정하지 않고 장기 제도 변화의 배경으로만 사용한다.",
                    "event_title_en": "Pennsylvania establishes a legal framework for retail electricity choice",
                    "event_text_en": "State law created a framework that allowed electricity customers to choose generation suppliers within a regulated retail market.",
                    "event_summary_en": "The law is an important institutional milestone for understanding the separation of generation choice, supply, and regulated distribution in Pennsylvania.",
                    "event_significance_en": "It shows that market rules and customer choice form a separate layer of the energy system that cannot be inferred from production and consumption series alone.",
                    "event_regional_context_en": "Pennsylvania energy data should be read within an institutional setting that combines regulated distribution with competitive supplier choice.",
                    "event_background_en": "The reform emerged from a broader effort to introduce customer choice and competition into the existing utility structure.",
                    "event_outcome_en": "Pennsylvania subsequently developed continuing oversight and policy mechanisms for the competitive retail electricity market.",
                    "event_data_context_en": "The policy is used as long-run institutional context rather than as a direct causal explanation for the energy series.",
                    "event_title_es": "Pennsylvania establece un marco legal para la elección minorista de electricidad",
                    "event_text_es": "La legislación estatal creó un marco que permitió a los clientes elegir proveedores de generación dentro de un mercado minorista regulado.",
                    "event_summary_es": "La ley es un hito institucional importante para entender la separación entre elección de generación, suministro y distribución regulada en Pennsylvania.",
                    "event_significance_es": "Muestra que las reglas de mercado y la elección del cliente constituyen una capa distinta del sistema energético que no puede deducirse solo de las series de producción y consumo.",
                    "event_regional_context_es": "Los datos energéticos de Pennsylvania deben leerse dentro de un entorno institucional que combina distribución regulada con elección competitiva de proveedor.",
                    "event_background_es": "La reforma surgió de un esfuerzo más amplio por introducir elección del cliente y competencia en la estructura tradicional de servicios eléctricos.",
                    "event_outcome_es": "Pennsylvania desarrolló posteriormente mecanismos continuos de supervisión y política para el mercado minorista competitivo de electricidad.",
                    "event_data_context_es": "La política se utiliza como contexto institucional de largo plazo y no como explicación causal directa de las series energéticas.",
                    "event_related_places": [
                        "Harrisburg"
                    ],
                    "event_title": "Pennsylvania establishes a legal framework for retail electricity choice",
                    "event_text": "State law created a framework that allowed electricity customers to choose generation suppliers within a regulated retail market."
                }
            ]
        },
        {
            "period": "1997",
            "year": "1997",
            "month": "",
            "label": "1997",
            "branches": [
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2883808,
                    "previous_value": 2748584,
                    "delta": 135224,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3878568,
                    "previous_value": 3908529,
                    "delta": -29961,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                }
            ]
        },
        {
            "period": "1998",
            "year": "1998",
            "month": "",
            "label": "1998",
            "branches": [
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 3017017,
                    "previous_value": 2883808,
                    "delta": 133209,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3718943,
                    "previous_value": 3878568,
                    "delta": -159625,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                }
            ]
        },
        {
            "period": "1999",
            "year": "1999",
            "month": "",
            "label": "1999",
            "branches": [
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 3024840,
                    "previous_value": 3017017,
                    "delta": 7823,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3761268,
                    "previous_value": 3718943,
                    "delta": 42325,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                }
            ]
        },
        {
            "period": "2000",
            "year": "2000",
            "month": "",
            "label": "2000",
            "branches": [
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2978664,
                    "previous_value": 3024840,
                    "delta": -46176,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3930803,
                    "previous_value": 3761268,
                    "delta": 169535,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                }
            ]
        },
        {
            "period": "2001",
            "year": "2001",
            "month": "",
            "label": "2001",
            "branches": [
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2932238,
                    "previous_value": 2978664,
                    "delta": -46426,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3841084,
                    "previous_value": 3930803,
                    "delta": -89719,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "context_event",
                    "topic": "other",
                    "source_name": "U.S. National Park Service",
                    "source_url": "https://www.nps.gov/flni/learn/flight93nps.htm",
                    "event_type": "",
                    "policy_domain": "",
                    "issuer": "",
                    "announcement_date": "",
                    "effective_date": "",
                    "official_document_title": "",
                    "policy_status": "",
                    "event_title_ko": "Somerset County에서 Flight 93 추락",
                    "event_text_ko": "당시 미국에서 발생한 동시다발적 테러 공격 중 United Airlines Flight 93가 Somerset County의 Shanksville 인근에 추락했고 탑승객과 승무원의 행동은 이후 국가적 추모의 대상이 되었다.",
                    "event_summary_ko": "서부 Pennsylvania의 농촌 지역이 미국 현대사의 비극과 추모를 대표하는 장소가 된 사건이다.",
                    "event_significance_ko": "Pennsylvania의 지역 정체성이 대도시와 산업 유산뿐 아니라 국가적 기억의 장소까지 포함함을 보여 준다.",
                    "event_regional_context_ko": "Flight 93 National Memorial은 Somerset County의 산악·농촌 지역 안에 위치해 Pennsylvania 내륙의 또 다른 역사적 층위를 보여 준다.",
                    "event_background_ko": "미국을 겨냥한 동시다발적 항공기 납치 공격 중 하나가 Pennsylvania 상공과 Somerset County에서 끝났다.",
                    "event_outcome_ko": "추락 현장은 Flight 93 National Memorial로 보존되어 탑승객과 승무원을 기리는 공간이 되었다.",
                    "event_data_context_ko": "현대 통계 변화의 직접 원인으로 해석하지 않고 국가적 사건과 지역 장소가 만나는 역사 맥락으로 본다.",
                    "event_title_en": "Flight 93 crashes in Somerset County",
                    "event_text_en": "During the coordinated terrorist attacks in the United States, United Airlines Flight 93 crashed near Shanksville in Somerset County, and the actions of its passengers and crew became the focus of a national memorial.",
                    "event_summary_en": "The event made a rural part of western Pennsylvania a nationally significant place of modern tragedy, memory, and commemoration.",
                    "event_significance_en": "It shows that Pennsylvania’s regional identity includes places of national memory as well as cities and industrial landscapes.",
                    "event_regional_context_en": "Flight 93 National Memorial lies in the mountain-and-rural landscape of Somerset County, adding another historical layer to inland Pennsylvania.",
                    "event_background_en": "One of the coordinated aircraft hijackings targeting the United States ended over Pennsylvania and in Somerset County.",
                    "event_outcome_en": "The crash site was preserved as Flight 93 National Memorial to honor the passengers and crew.",
                    "event_data_context_en": "It is treated as historical context linking a national event to a Pennsylvania place, not as a direct cause of statistical change.",
                    "event_title_es": "El vuelo 93 se estrella en Somerset County",
                    "event_text_es": "Durante los atentados coordinados en Estados Unidos, el vuelo 93 de United Airlines se estrelló cerca de Shanksville, en Somerset County, y las acciones de sus pasajeros y tripulación pasaron a ser el centro de un memorial nacional.",
                    "event_summary_es": "El acontecimiento convirtió una zona rural del oeste de Pennsylvania en un lugar de importancia nacional para la tragedia, la memoria y la conmemoración contemporáneas.",
                    "event_significance_es": "Muestra que la identidad regional de Pennsylvania incluye lugares de memoria nacional además de ciudades y paisajes industriales.",
                    "event_regional_context_es": "Flight 93 National Memorial se encuentra en el paisaje montañoso y rural de Somerset County, añadiendo otra capa histórica al interior de Pennsylvania.",
                    "event_background_es": "Uno de los secuestros coordinados de aviones dirigidos contra Estados Unidos terminó sobre Pennsylvania y en Somerset County.",
                    "event_outcome_es": "El lugar del impacto fue preservado como Flight 93 National Memorial para honrar a los pasajeros y la tripulación.",
                    "event_data_context_es": "Se trata como contexto histórico que conecta un acontecimiento nacional con un lugar de Pennsylvania, no como causa directa de cambios estadísticos.",
                    "event_related_places": [
                        "Flight 93 National Memorial"
                    ],
                    "event_title": "Flight 93 crashes in Somerset County",
                    "event_text": "During the coordinated terrorist attacks in the United States, United Airlines Flight 93 crashed near Shanksville in Somerset County, and the actions of its passengers and crew became the focus of a national memorial."
                }
            ]
        },
        {
            "period": "2002",
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            "month": "",
            "label": "2002",
            "branches": [
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2788069,
                    "previous_value": 2932238,
                    "delta": -144169,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3899649,
                    "previous_value": 3841084,
                    "delta": 58565,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                }
            ]
        },
        {
            "period": "2003",
            "year": "2003",
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            "label": "2003",
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                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2642543,
                    "previous_value": 2788069,
                    "delta": -145526,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3943918,
                    "previous_value": 3899649,
                    "delta": 44269,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                }
            ]
        },
        {
            "period": "2004",
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            "label": "2004",
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                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2715502,
                    "previous_value": 2642543,
                    "delta": 72959,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3991628,
                    "previous_value": 3943918,
                    "delta": 47710,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                }
            ]
        },
        {
            "period": "2005",
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            "label": "2005",
            "branches": [
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2682430,
                    "previous_value": 2715502,
                    "delta": -33072,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 4022884,
                    "previous_value": 3991628,
                    "delta": 31256,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
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                }
            ]
        },
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            "period": "2006",
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            "label": "2006",
            "branches": [
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2654791,
                    "previous_value": 2682430,
                    "delta": -27639,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3892981,
                    "previous_value": 4022884,
                    "delta": -129903,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                }
            ]
        },
        {
            "period": "2007",
            "year": "2007",
            "month": "",
            "label": "2007",
            "branches": [
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2664316,
                    "previous_value": 2654791,
                    "delta": 9525,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3949447,
                    "previous_value": 3892981,
                    "delta": 56466,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                }
            ]
        },
        {
            "period": "2008",
            "year": "2008",
            "month": "",
            "label": "2008",
            "branches": [
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2735862,
                    "previous_value": 2664316,
                    "delta": 71546,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3926058,
                    "previous_value": 3949447,
                    "delta": -23389,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
                },
                {
                    "kind": "context_event",
                    "topic": "policy",
                    "source_name": "Pennsylvania Department of Environmental Protection",
                    "source_url": "https://www.pa.gov/agencies/dep/residents/saving-energy/home-energy-efficiency-and-conservation/energy-efficiency-incentives",
                    "event_type": "energy_efficiency_policy",
                    "policy_domain": "electricity_efficiency",
                    "issuer": "Commonwealth of Pennsylvania",
                    "announcement_date": "",
                    "effective_date": "",
                    "official_document_title": "Pennsylvania energy efficiency and conservation law",
                    "policy_status": "enacted",
                    "event_title_ko": "주 차원의 전력 효율·절약 정책 체계 강화",
                    "event_text_ko": "주 법률은 대형 전력 배전회사가 효율과 절약 프로그램을 운영하도록 하는 제도적 틀을 강화했다.",
                    "event_summary_ko": "에너지 소비를 단순한 수요 결과가 아니라 정책·효율·수요관리의 영향을 받는 체계로 읽게 해 주는 정책 이정표다.",
                    "event_significance_ko": "생산 확대와 소비 흐름이 다를 수 있는 이유를 설명할 때 효율 정책과 수요관리라는 별도 제도 요소가 존재함을 보여 준다.",
                    "event_regional_context_ko": "Pennsylvania의 전력 소비는 산업구조와 날씨뿐 아니라 전력회사 프로그램과 규제 정책의 영향을 함께 받을 수 있다.",
                    "event_background_ko": "주정부는 전력 효율, 절약, 수요관리와 관련한 프로그램을 제도적으로 확대했다.",
                    "event_outcome_ko": "후속 단계에서도 비용효율성이 확인되는 프로그램을 계속 운영하는 구조가 이어졌다.",
                    "event_data_context_ko": "정책의 존재와 에너지 소비 변화는 같은 시간축에서 비교할 수 있지만 효과 크기는 별도 평가 자료가 필요하다.",
                    "event_title_en": "Pennsylvania strengthens statewide electricity efficiency and conservation policy",
                    "event_text_en": "State law strengthened the framework requiring large electric distribution companies to operate energy-efficiency and conservation programs.",
                    "event_summary_en": "The policy provides context for reading energy consumption as part of a system shaped by efficiency programs and demand management as well as end use.",
                    "event_significance_en": "It highlights efficiency policy and demand management as institutional factors that are distinct from the amount of energy produced in the state.",
                    "event_regional_context_en": "Electricity use in Pennsylvania can reflect utility programs and regulatory policy alongside industry, weather, and household behavior.",
                    "event_background_en": "The commonwealth expanded the institutional role of efficiency, conservation, and demand-management programs.",
                    "event_outcome_en": "Later phases continued the program structure where cost-effective measures remained part of utility planning and oversight.",
                    "event_data_context_en": "The policy can be placed beside the energy-consumption series, but estimating its effect requires separate program-evaluation evidence.",
                    "event_title_es": "Pennsylvania refuerza la política estatal de eficiencia y conservación eléctrica",
                    "event_text_es": "La legislación estatal reforzó el marco que exige a grandes distribuidoras eléctricas operar programas de eficiencia y conservación.",
                    "event_summary_es": "La política aporta contexto para leer el consumo energético como parte de un sistema influido por programas de eficiencia y gestión de la demanda además del uso final.",
                    "event_significance_es": "Destaca la eficiencia y la gestión de la demanda como factores institucionales distintos de la cantidad de energía producida en el estado.",
                    "event_regional_context_es": "El uso de electricidad en Pennsylvania puede reflejar programas de las compañías y políticas regulatorias junto con industria, clima y comportamiento de los hogares.",
                    "event_background_es": "El estado amplió el papel institucional de los programas de eficiencia, conservación y gestión de la demanda.",
                    "event_outcome_es": "Las fases posteriores mantuvieron la estructura del programa cuando las medidas rentables siguieron formando parte de la planificación y supervisión de las distribuidoras.",
                    "event_data_context_es": "La política puede situarse junto a la serie de consumo energético, pero estimar su efecto requiere evidencia separada de evaluación del programa.",
                    "event_related_places": [
                        "Harrisburg"
                    ],
                    "event_title": "Pennsylvania strengthens statewide electricity efficiency and conservation policy",
                    "event_text": "State law strengthened the framework requiring large electric distribution companies to operate energy-efficiency and conservation programs."
                }
            ]
        },
        {
            "period": "2009",
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                    "kind": "statistic_change",
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                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 2657146,
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                    "delta": -78716,
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                },
                {
                    "kind": "statistic_change",
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                    "metric_label": "Total energy consumption",
                    "value": 3608128,
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                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
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            "period": "2010",
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                {
                    "kind": "statistic_change",
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                    "metric_label": "Total energy consumption",
                    "value": 3736054,
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                {
                    "kind": "statistic_change",
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                    "metric_label": "Total energy consumption",
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        {
            "period": "2012",
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                {
                    "kind": "statistic_change",
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                    "metric_label": "Total energy consumption",
                    "value": 3623869,
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                },
                {
                    "kind": "statistic_change",
                    "topic": "population",
                    "metric_key": "ACS:B01003_001E",
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                    "value": 12699589,
                    "previous_value": 12660739,
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                    "source_url": "https://api.census.gov/data/2024/acs/acs5",
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                {
                    "kind": "statistic_change",
                    "topic": "income",
                    "metric_key": "ACS:B19013_001E",
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                {
                    "kind": "statistic_change",
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                {
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                {
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                {
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                },
                {
                    "kind": "statistic_change",
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            "period": "2014",
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                    "metric_label": "Total primary energy production",
                    "value": 7108292,
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                    "source_url": "https://api.eia.gov/v2/seds/data/",
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                    "metric_key": "ACS:UNEMPLOYMENT_RATE",
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                    "value": 5.369599774875239,
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                    "source_url": "https://api.census.gov/data/2024/acs/acs5",
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        {
            "period": "2023",
            "year": "2023",
            "month": "",
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                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 10086850,
                    "previous_value": 9962481,
                    "delta": 124369,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
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                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3606065,
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                    "delta": -137930,
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                    "source_url": "https://api.eia.gov/v2/seds/data/",
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                {
                    "kind": "statistic_change",
                    "topic": "population",
                    "metric_key": "ACS:B01003_001E",
                    "metric_label": "Population",
                    "value": 12986518,
                    "previous_value": 12989208,
                    "delta": -2690,
                    "unit": "persons",
                    "source_url": "https://api.census.gov/data/2024/acs/acs5",
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                {
                    "kind": "statistic_change",
                    "topic": "income",
                    "metric_key": "ACS:B19013_001E",
                    "metric_label": "Median household income",
                    "value": 76081,
                    "previous_value": 73170,
                    "delta": 2911,
                    "unit": "US dollars",
                    "source_url": "https://api.census.gov/data/2024/acs/acs5",
                    "provider": "US_CENSUS_DATA_API"
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                {
                    "kind": "statistic_change",
                    "topic": "housing",
                    "metric_key": "ACS:B25077_001E",
                    "metric_label": "Median home value",
                    "value": 240500,
                    "previous_value": 226200,
                    "delta": 14300,
                    "unit": "US dollars",
                    "source_url": "https://api.census.gov/data/2024/acs/acs5",
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                {
                    "kind": "statistic_change",
                    "topic": "employment",
                    "metric_key": "ACS:UNEMPLOYMENT_RATE",
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                    "value": 5.248147533047057,
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                    "source_url": "https://api.census.gov/data/2024/acs/acs5",
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        {
            "period": "2024",
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            "month": "",
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                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TEPRB",
                    "metric_label": "Total primary energy production",
                    "value": 9911312,
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                    "delta": -175538,
                    "unit": "Billion Btu",
                    "source_url": "https://api.eia.gov/v2/seds/data/",
                    "provider": "US_EIA"
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                {
                    "kind": "statistic_change",
                    "topic": "energy",
                    "metric_key": "EIA_SEDS:TETCB",
                    "metric_label": "Total energy consumption",
                    "value": 3612264,
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                    "delta": 6199,
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                    "source_url": "https://api.eia.gov/v2/seds/data/",
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                },
                {
                    "kind": "statistic_change",
                    "topic": "population",
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                    "metric_label": "Population",
                    "value": 13018639,
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                    "delta": 32121,
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                    "source_url": "https://api.census.gov/data/2024/acs/acs5",
                    "provider": "US_CENSUS_DATA_API"
                },
                {
                    "kind": "statistic_change",
                    "topic": "income",
                    "metric_key": "ACS:B19013_001E",
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                    "value": 77971,
                    "previous_value": 76081,
                    "delta": 1890,
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                    "source_url": "https://api.census.gov/data/2024/acs/acs5",
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                {
                    "kind": "statistic_change",
                    "topic": "housing",
                    "metric_key": "ACS:B25077_001E",
                    "metric_label": "Median home value",
                    "value": 254500,
                    "previous_value": 240500,
                    "delta": 14000,
                    "unit": "US dollars",
                    "source_url": "https://api.census.gov/data/2024/acs/acs5",
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                },
                {
                    "kind": "statistic_change",
                    "topic": "employment",
                    "metric_key": "ACS:UNEMPLOYMENT_RATE",
                    "metric_label": "Unemployment rate",
                    "value": 5.255532657358612,
                    "previous_value": 5.248147533047057,
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                    "unit": "percent",
                    "source_url": "https://api.census.gov/data/2024/acs/acs5",
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                },
                {
                    "kind": "context_event",
                    "topic": "infrastructure",
                    "source_name": "Pennsylvania Department of Transportation",
                    "source_url": "https://www.pa.gov/agencies/penndot/news-and-media/newsroom/statewide/2024/after-reopening-i-95-in-just-12-days-today-shapiro-administration-federal-local-partners-celebrate-completion-of-all-permanent-repairs-less-than-a-year-after-collapse",
                    "event_type": "",
                    "policy_domain": "",
                    "issuer": "",
                    "announcement_date": "",
                    "effective_date": "",
                    "official_document_title": "",
                    "policy_status": "",
                    "event_title_ko": "Philadelphia I-95 영구 복구 완료",
                    "event_text_ko": "전년도 화재와 도로 붕괴로 손상된 northeast Philadelphia의 I-95 구간에서 영구 교량 복구가 완료되어 주요 동부 교통축의 정상 운영이 회복됐다.",
                    "event_summary_ko": "대도시권의 핵심 고속도로가 큰 장애를 겪은 뒤 임시 복구를 거쳐 영구 시설로 전환된 현대 인프라 사례다.",
                    "event_significance_ko": "Philadelphia 대도시권에서 교통 복원력과 주·연방·지역 기관의 인프라 대응이 갖는 중요성을 보여 준다.",
                    "event_regional_context_ko": "I-95는 Pennsylvania 동부와 미국 동부해안의 주요 도시권을 잇는 도로축으로 Philadelphia의 광역 이동성과 직접 연결된다.",
                    "event_background_ko": "northeast Philadelphia의 도로 구조물이 화재와 붕괴로 손상된 뒤 임시 통행로가 먼저 마련되고 영구 교량 공사가 이어졌다.",
                    "event_outcome_ko": "영구 교량과 관련 진입로 공사가 마무리되며 해당 구간의 정상적인 차로 운영이 복구됐다.",
                    "event_data_context_ko": "같은 시기의 인구·소득·주택·고용 지표와 나란히 볼 수 있지만 인프라 복구가 해당 지표 변화를 일으켰다고 단정하지 않는다.",
                    "event_title_en": "Permanent I-95 repairs are completed in Philadelphia",
                    "event_text_en": "Permanent bridge repairs were completed on the damaged I-95 section in northeast Philadelphia after the prior year’s fire and roadway collapse, restoring the corridor to normal operation.",
                    "event_summary_en": "The project is a modern infrastructure case in which a major metropolitan highway moved from emergency reopening to permanent reconstruction.",
                    "event_significance_en": "It highlights the importance of transport resilience and coordinated infrastructure response in the Philadelphia metropolitan area.",
                    "event_regional_context_en": "I-95 is a major corridor linking eastern Pennsylvania with the broader East Coast urban system and is central to Philadelphia-area mobility.",
                    "event_background_en": "After fire and structural collapse damaged the roadway in northeast Philadelphia, an interim route restored traffic while permanent bridge work proceeded.",
                    "event_outcome_en": "Completion of the permanent bridge and related ramp work restored normal lane operations through the affected section.",
                    "event_data_context_en": "It can be viewed alongside the same-period population, income, housing, and employment measures without assuming that the repair caused those statistical movements.",
                    "event_title_es": "Finalizan las reparaciones permanentes de la I-95 en Philadelphia",
                    "event_text_es": "Se completaron las reparaciones permanentes del puente en el tramo dañado de la I-95 en el noreste de Philadelphia tras el incendio y el colapso vial del año anterior, restableciendo el funcionamiento normal del corredor.",
                    "event_summary_es": "El proyecto es un caso moderno de infraestructura en el que una autopista metropolitana clave pasó de una reapertura de emergencia a una reconstrucción permanente.",
                    "event_significance_es": "Destaca la importancia de la resiliencia del transporte y de la respuesta coordinada de infraestructura en el área metropolitana de Philadelphia.",
                    "event_regional_context_es": "La I-95 es un corredor principal que conecta el este de Pennsylvania con el sistema urbano más amplio de la costa este y es central para la movilidad del área de Philadelphia.",
                    "event_background_es": "Tras el incendio y el colapso estructural en el noreste de Philadelphia, una ruta provisional restableció el tráfico mientras avanzaban las obras permanentes del puente.",
                    "event_outcome_es": "La finalización del puente permanente y de las obras de la rampa restableció la operación normal de carriles en el tramo afectado.",
                    "event_data_context_es": "Puede leerse junto a los indicadores de población, ingresos, vivienda y empleo del mismo periodo sin asumir que la reparación causó esos movimientos estadísticos.",
                    "event_related_places": [
                        "Philadelphia",
                        "Philadelphia International Airport"
                    ],
                    "event_title": "Permanent I-95 repairs are completed in Philadelphia",
                    "event_text": "Permanent bridge repairs were completed on the damaged I-95 section in northeast Philadelphia after the prior year’s fire and roadway collapse, restoring the corridor to normal operation."
                }
            ]
        },
        {
            "year": "2025",
            "period": "2025",
            "label": "2025",
            "branches": [
                {
                    "kind": "context_event",
                    "topic": "infrastructure",
                    "source_name": "Allegheny County Airport Authority",
                    "source_url": "https://flypittsburgh.com/news-article/new-terminal-opens-at-pittsburgh-international-airport/",
                    "event_type": "",
                    "policy_domain": "",
                    "issuer": "",
                    "announcement_date": "",
                    "effective_date": "",
                    "official_document_title": "",
                    "policy_status": "",
                    "event_title_ko": "Pittsburgh International Airport 새 터미널 개장",
                    "event_text_ko": "Pittsburgh International Airport 현대화 사업의 핵심인 새 터미널이 승객 운영을 시작했다.",
                    "event_summary_ko": "서부 Pennsylvania의 항공 관문이 기존 허브 시대의 시설 구조에서 지역 수요 중심의 새로운 터미널 체계로 전환한 현대 인프라 이정표다.",
                    "event_significance_ko": "Pittsburgh권의 국내외 연결성과 서부 지역 교통 인프라를 보여 주는 최신 사례로, Pennsylvania 지역사 시간축을 현재에 가깝게 확장한다.",
                    "event_regional_context_ko": "Pittsburgh International Airport는 서부 Pennsylvania와 국내외 도시를 연결하는 핵심 항공 관문이다.",
                    "event_background_ko": "공항 당국은 기존 시설을 지역의 현재 이용 패턴에 맞추기 위해 새 터미널·주차·기존 시설 개선을 포함한 현대화 사업을 진행했다.",
                    "event_outcome_ko": "새 터미널 개장은 교통 인프라의 완료 사건이지만 기존 에너지·인구·소득·주택·실업 시계열을 설명하는 원인으로 사용하지 않는다.",
                    "event_data_context_ko": "이 사건은 현재 지표의 최신 관측 이후에 위치하므로 후속 지역사 이정표로만 배치한다.",
                    "event_title_en": "Pittsburgh International Airport opens its new terminal",
                    "event_text_en": "Pittsburgh International Airport opened its new terminal to passengers as the centerpiece of its modernization program.",
                    "event_summary_en": "The opening marks a major western Pennsylvania infrastructure milestone as the airport shifted from its older hub-era layout to a terminal designed around the region’s current needs.",
                    "event_significance_en": "It provides a recent example of western Pennsylvania’s transport infrastructure and regional connectivity, extending the regional-history timeline closer to the present.",
                    "event_regional_context_en": "Pittsburgh International Airport is a major air gateway linking western Pennsylvania with domestic and international destinations.",
                    "event_background_en": "The airport authority carried out a modernization program combining a new terminal, new parking, and upgrades to existing facilities to better match current regional travel patterns.",
                    "event_outcome_en": "The terminal opening is an infrastructure milestone, but it is not used to explain the existing energy, population, income, housing, or unemployment series.",
                    "event_data_context_en": "Because the event comes after the latest observations in the current indicator set, it is used only as a later regional-history milestone.",
                    "event_title_es": "Pittsburgh International Airport inaugura su nueva terminal",
                    "event_text_es": "Pittsburgh International Airport abrió su nueva terminal a pasajeros como pieza central de su programa de modernización.",
                    "event_summary_es": "La apertura marca un gran hito de infraestructura del oeste de Pennsylvania al pasar el aeropuerto de su antigua configuración de hub a una terminal diseñada para las necesidades actuales de la región.",
                    "event_significance_es": "Aporta un ejemplo reciente de infraestructura de transporte y conectividad del oeste de Pennsylvania y acerca la cronología regional al presente.",
                    "event_regional_context_es": "Pittsburgh International Airport es una gran puerta aérea que conecta el oeste de Pennsylvania con destinos nacionales e internacionales.",
                    "event_background_es": "La autoridad aeroportuaria desarrolló un programa de modernización con nueva terminal, nuevo estacionamiento y mejoras de instalaciones existentes para adaptarse mejor a los patrones regionales actuales.",
                    "event_outcome_es": "La apertura de la terminal es un hito de infraestructura, pero no se usa para explicar las series existentes de energía, población, ingreso, vivienda o desempleo.",
                    "event_data_context_es": "Como el hecho ocurre después de las observaciones más recientes del conjunto actual de indicadores, se utiliza solo como hito regional posterior.",
                    "event_related_places": [
                        "Pittsburgh"
                    ],
                    "event_title": "Pittsburgh International Airport opens its new terminal",
                    "event_text": "Pittsburgh International Airport opened its new terminal to passengers as the centerpiece of its modernization program."
                }
            ]
        }
    ],
    "places": [
        {
            "category": "major_city",
            "name": "Philadelphia",
            "source_name": "City of Philadelphia",
            "source_url": "https://www.phila.gov/media/20250219102257/PWD-Exhibit-5-Official-Statement-Series-2024C.pdf",
            "summary_ko": "Pennsylvania 동부의 핵심 도시로, Independence Hall과 Liberty Bell을 중심으로 국가 건국사와 대도시 기능이 겹친다. 주의 동부 교통·교육·문화 네트워크를 이해할 때 빠질 수 없는 거점이다.",
            "summary_en": "Philadelphia anchors eastern Pennsylvania and combines a major metropolitan role with nationally significant civic history centered on Independence Hall and the Liberty Bell. It is a key reference point for understanding the state’s eastern transport, education, and cultural networks.",
            "summary_es": "Philadelphia articula el este de Pennsylvania y combina funciones metropolitanas con una historia cívica de alcance nacional en torno a Independence Hall y Liberty Bell. Es un punto de referencia para entender las redes de transporte, educación y cultura del este del estado.",
            "summary": "Philadelphia anchors eastern Pennsylvania and combines a major metropolitan role with nationally significant civic history centered on Independence Hall and the Liberty Bell. It is a key reference point for understanding the state’s eastern transport, education, and cultural networks."
        },
        {
            "category": "major_city",
            "name": "Pittsburgh",
            "source_name": "City of Pittsburgh",
            "source_url": "https://www.pittsburghpa.gov/Business-Development/City-Planning/Neighborhood-Planning/Comprehensive-Planning-Process",
            "summary_ko": "Allegheny·Monongahela·Ohio 강이 만나는 서부 Pennsylvania의 중심 도시다. 철강 중심 산업도시에서 의료·교육·기술·금융이 함께 있는 경제 구조로 전환해 온 과정이 지역사를 읽는 중요한 축이다.",
            "summary_en": "Pittsburgh sits at the confluence of the Allegheny, Monongahela, and Ohio rivers and anchors western Pennsylvania. Its shift from a steel-dominated economy toward health care, education, technology, and financial services makes it central to the state’s modern regional story.",
            "summary_es": "Pittsburgh se sitúa en la confluencia de los ríos Allegheny, Monongahela y Ohio y articula el oeste de Pennsylvania. Su transición desde una economía dominada por el acero hacia salud, educación, tecnología y servicios financieros es clave para la historia regional moderna.",
            "summary": "Pittsburgh sits at the confluence of the Allegheny, Monongahela, and Ohio rivers and anchors western Pennsylvania. Its shift from a steel-dominated economy toward health care, education, technology, and financial services makes it central to the state’s modern regional story."
        },
        {
            "category": "government",
            "name": "Pennsylvania State Capitol",
            "source_name": "Pennsylvania State Capitol",
            "source_url": "https://www.pacapitol.com/about-the-capitol.cfm",
            "summary_ko": "Harrisburg의 Pennsylvania State Capitol은 주 정부의 중심이자 공공 건축·예술 유산을 함께 보여 주는 장소다. 동부와 서부의 대도시권 사이에서 행정 중심지 역할을 하는 Harrisburg의 성격을 이해하는 기준점이 된다.",
            "summary_en": "The Pennsylvania State Capitol in Harrisburg is the center of state government and a major public-architecture landmark. It also helps explain Harrisburg’s administrative role between the state’s larger eastern and western metropolitan centers.",
            "summary_es": "El Pennsylvania State Capitol de Harrisburg es el centro del gobierno estatal y un importante hito de arquitectura pública. También ayuda a entender la función administrativa de Harrisburg entre los grandes polos metropolitanos del este y el oeste.",
            "summary": "The Pennsylvania State Capitol in Harrisburg is the center of state government and a major public-architecture landmark. It also helps explain Harrisburg’s administrative role between the state’s larger eastern and western metropolitan centers."
        },
        {
            "category": "landmark",
            "name": "Independence National Historical Park",
            "source_name": "U.S. National Park Service",
            "source_url": "https://www.nps.gov/inde/learn/historyculture/places-independencehall.htm",
            "summary_ko": "Philadelphia의 Independence National Historical Park는 Independence Hall과 Liberty Bell을 포함하며 미국의 독립과 헌정 질서 형성에 관련된 장소들을 보존한다. Pennsylvania가 지역사뿐 아니라 국가사에서도 중요한 위치를 갖는 이유를 보여 준다.",
            "summary_en": "Independence National Historical Park preserves Independence Hall, the Liberty Bell, and related sites associated with the formation of the United States. It shows why Pennsylvania’s history is inseparable from major national civic milestones.",
            "summary_es": "Independence National Historical Park conserva Independence Hall, Liberty Bell y otros lugares vinculados con la formación de Estados Unidos. Muestra por qué la historia de Pennsylvania está unida a hitos cívicos de alcance nacional.",
            "summary": "Independence National Historical Park preserves Independence Hall, the Liberty Bell, and related sites associated with the formation of the United States. It shows why Pennsylvania’s history is inseparable from major national civic milestones."
        },
        {
            "category": "landmark",
            "name": "Gettysburg National Military Park",
            "source_name": "U.S. National Park Service",
            "source_url": "https://www.nps.gov/gett",
            "summary_ko": "Gettysburg National Military Park는 남북전쟁의 Gettysburg 전투가 벌어진 역사 경관을 보존한다. Pennsylvania 남중부의 작은 도시가 미국사에서 전국적 의미를 갖게 된 과정을 현장에서 읽을 수 있는 대표 장소다.",
            "summary_en": "Gettysburg National Military Park preserves the landscape of the Civil War battle fought around Gettysburg. It is a defining example of how a south-central Pennsylvania community became a place of national historical significance.",
            "summary_es": "Gettysburg National Military Park conserva el paisaje de la batalla de la Guerra Civil librada en torno a Gettysburg. Es un ejemplo decisivo de cómo una comunidad del centro-sur de Pennsylvania adquirió relevancia histórica nacional.",
            "summary": "Gettysburg National Military Park preserves the landscape of the Civil War battle fought around Gettysburg. It is a defining example of how a south-central Pennsylvania community became a place of national historical significance."
        },
        {
            "category": "nature",
            "name": "Ohiopyle State Park",
            "source_name": "Pennsylvania Department of Conservation and Natural Resources",
            "source_url": "https://www.pa.gov/agencies/dcnr/recreation/where-to-go/state-parks/find-a-park/ohiopyle-state-park",
            "summary_ko": "Laurel Highlands의 Ohiopyle State Park는 Youghiogheny River Gorge를 중심으로 한 자연·야외활동 거점이다. 서부 Pennsylvania의 산악 지형과 강, 관광·레크리에이션 자원이 도시권 밖 지역의 정체성에 어떻게 연결되는지 보여 준다.",
            "summary_en": "Ohiopyle State Park in the Laurel Highlands is centered on the Youghiogheny River Gorge and a broad range of outdoor recreation. It represents the mountain-and-river landscape that shapes western Pennsylvania beyond its major cities.",
            "summary_es": "Ohiopyle State Park, en Laurel Highlands, gira en torno al desfiladero del río Youghiogheny y a numerosas actividades al aire libre. Representa el paisaje de montañas y ríos que define al oeste de Pennsylvania más allá de sus grandes ciudades.",
            "summary": "Ohiopyle State Park in the Laurel Highlands is centered on the Youghiogheny River Gorge and a broad range of outdoor recreation. It represents the mountain-and-river landscape that shapes western Pennsylvania beyond its major cities."
        },
        {
            "category": "education",
            "name": "Penn State University Park",
            "source_name": "Penn State University",
            "source_url": "https://www.psu.edu/about/history",
            "summary_ko": "Penn State의 University Park는 교육·연구·공공서비스 기능이 결합된 주 전역 네트워크의 중심이다. 농업 교육기관에서 출발해 여러 학문 분야와 지역 봉사로 확장된 역사는 Pennsylvania의 산업·농촌·도시 지역을 잇는 교육 기반을 보여 준다.",
            "summary_en": "Penn State’s University Park campus anchors a statewide network combining teaching, research, and public service. Its development from an agricultural college into a broad land-grant institution connects the educational history of rural, industrial, and urban Pennsylvania.",
            "summary_es": "El campus University Park de Penn State articula una red estatal de docencia, investigación y servicio público. Su evolución desde una escuela agrícola hacia una institución land-grant amplia conecta la historia educativa de las zonas rurales, industriales y urbanas de Pennsylvania.",
            "summary": "Penn State’s University Park campus anchors a statewide network combining teaching, research, and public service. Its development from an agricultural college into a broad land-grant institution connects the educational history of rural, industrial, and urban Pennsylvania."
        },
        {
            "category": "airport",
            "name": "Philadelphia International Airport",
            "source_name": "Philadelphia International Airport",
            "source_url": "https://www.phl.org/about/history",
            "summary_ko": "Philadelphia International Airport는 동부 Pennsylvania와 주변 대도시권을 국내외 항공망에 연결하는 주요 교통 거점이다. 개항 이후 단계적인 확장을 거치며 Philadelphia 지역의 이동성과 광역 연결성을 뒷받침해 왔다.",
            "summary_en": "Philadelphia International Airport is a major air gateway linking eastern Pennsylvania and the Philadelphia region with domestic and international networks. Its long expansion history reflects the growing importance of regional mobility and long-distance connections.",
            "summary_es": "Philadelphia International Airport es una gran puerta aérea que conecta el este de Pennsylvania y la región de Philadelphia con redes nacionales e internacionales. Su historia de expansión refleja la creciente importancia de la movilidad regional y las conexiones de larga distancia.",
            "summary": "Philadelphia International Airport is a major air gateway linking eastern Pennsylvania and the Philadelphia region with domestic and international networks. Its long expansion history reflects the growing importance of regional mobility and long-distance connections."
        }
    ],
    "tables": [
        {
            "table_id": "key_metrics",
            "title": "Key metrics",
            "columns": [
                "metric",
                "latest_period",
                "latest_value",
                "unit",
                "first_period",
                "first_value",
                "change",
                "change_pct"
            ],
            "rows": [
                {
                    "metric": "Total primary energy production",
                    "topic": "energy",
                    "latest_period": "2024",
                    "latest_value": 9911312,
                    "unit": "Billion Btu",
                    "first_period": "1985",
                    "first_value": 2436744,
                    "change": 7474568,
                    "change_pct": 306.7440814463891
                },
                {
                    "metric": "Total energy consumption",
                    "topic": "energy",
                    "latest_period": "2024",
                    "latest_value": 3612264,
                    "unit": "Billion Btu",
                    "first_period": "1985",
                    "first_value": 3345824,
                    "change": 266440,
                    "change_pct": 7.963359698537639
                },
                {
                    "metric": "Population",
                    "topic": "population",
                    "latest_period": "2024",
                    "latest_value": 13018639,
                    "unit": "persons",
                    "first_period": "2011",
                    "first_value": 12660739,
                    "change": 357900,
                    "change_pct": 2.8268492068275
                },
                {
                    "metric": "Median household income",
                    "topic": "income",
                    "latest_period": "2024",
                    "latest_value": 77971,
                    "unit": "US dollars",
                    "first_period": "2011",
                    "first_value": 51651,
                    "change": 26320,
                    "change_pct": 50.95738707866256
                },
                {
                    "metric": "Median home value",
                    "topic": "housing",
                    "latest_period": "2024",
                    "latest_value": 254500,
                    "unit": "US dollars",
                    "first_period": "2011",
                    "first_value": 163200,
                    "change": 91300,
                    "change_pct": 55.943627450980394
                },
                {
                    "metric": "Unemployment rate",
                    "topic": "employment",
                    "latest_period": "2024",
                    "latest_value": 5.255532657358612,
                    "unit": "percent",
                    "first_period": "2011",
                    "first_value": 7.889581166035717,
                    "change": -2.6340485086771057,
                    "change_pct": -33.38641752006511
                }
            ]
        },
        {
            "table_id": "history",
            "title": "Historical observations",
            "columns": [
                "period",
                "values"
            ],
            "rows": [
                {
                    "period": "2024",
                    "values": [
                        {
                            "metric": "Total primary energy production",
                            "value": 9911312,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Total energy consumption",
                            "value": 3612264,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Population",
                            "value": 13018639,
                            "unit": "persons"
                        },
                        {
                            "metric": "Median household income",
                            "value": 77971,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Median home value",
                            "value": 254500,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Unemployment rate",
                            "value": 5.255532657358612,
                            "unit": "percent"
                        }
                    ]
                },
                {
                    "period": "2023",
                    "values": [
                        {
                            "metric": "Total primary energy production",
                            "value": 10086850,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Total energy consumption",
                            "value": 3606065,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Population",
                            "value": 12986518,
                            "unit": "persons"
                        },
                        {
                            "metric": "Median household income",
                            "value": 76081,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Median home value",
                            "value": 240500,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Unemployment rate",
                            "value": 5.248147533047057,
                            "unit": "percent"
                        }
                    ]
                },
                {
                    "period": "2022",
                    "values": [
                        {
                            "metric": "Total primary energy production",
                            "value": 9962481,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Total energy consumption",
                            "value": 3743995,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Population",
                            "value": 12989208,
                            "unit": "persons"
                        },
                        {
                            "metric": "Median household income",
                            "value": 73170,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Median home value",
                            "value": 226200,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Unemployment rate",
                            "value": 5.369599774875239,
                            "unit": "percent"
                        }
                    ]
                },
                {
                    "period": "2021",
                    "values": [
                        {
                            "metric": "Total primary energy production",
                            "value": 10128862,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Total energy consumption",
                            "value": 3615328,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Population",
                            "value": 12970650,
                            "unit": "persons"
                        },
                        {
                            "metric": "Median household income",
                            "value": 67587,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Median home value",
                            "value": 197300,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Unemployment rate",
                            "value": 5.512562866864078,
                            "unit": "percent"
                        }
                    ]
                },
                {
                    "period": "2020",
                    "values": [
                        {
                            "metric": "Total primary energy production",
                            "value": 9472237,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Total energy consumption",
                            "value": 3388304,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Population",
                            "value": 12794885,
                            "unit": "persons"
                        },
                        {
                            "metric": "Median household income",
                            "value": 63627,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Median home value",
                            "value": 187500,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Unemployment rate",
                            "value": 5.355952124453366,
                            "unit": "percent"
                        }
                    ]
                },
                {
                    "period": "2019",
                    "values": [
                        {
                            "metric": "Total primary energy production",
                            "value": 9611946,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Total energy consumption",
                            "value": 3793398,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Population",
                            "value": 12791530,
                            "unit": "persons"
                        },
                        {
                            "metric": "Median household income",
                            "value": 61744,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Median home value",
                            "value": 180200,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Unemployment rate",
                            "value": 5.306045639770307,
                            "unit": "percent"
                        }
                    ]
                },
                {
                    "period": "2018",
                    "values": [
                        {
                            "metric": "Total primary energy production",
                            "value": 8992467,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Total energy consumption",
                            "value": 3899981,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Population",
                            "value": 12791181,
                            "unit": "persons"
                        },
                        {
                            "metric": "Median household income",
                            "value": 59445,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Median home value",
                            "value": 174100,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Unemployment rate",
                            "value": 5.8141270588047975,
                            "unit": "percent"
                        }
                    ]
                },
                {
                    "period": "2017",
                    "values": [
                        {
                            "metric": "Total primary energy production",
                            "value": 8100457,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Total energy consumption",
                            "value": 3738826,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Population",
                            "value": 12790505,
                            "unit": "persons"
                        },
                        {
                            "metric": "Median household income",
                            "value": 56951,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Median home value",
                            "value": 170500,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Unemployment rate",
                            "value": 6.473637876279358,
                            "unit": "percent"
                        }
                    ]
                },
                {
                    "period": "2016",
                    "values": [
                        {
                            "metric": "Total primary energy production",
                            "value": 7756951,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Total energy consumption",
                            "value": 3738684,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Population",
                            "value": 12783977,
                            "unit": "persons"
                        },
                        {
                            "metric": "Median household income",
                            "value": 54895,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Median home value",
                            "value": 167700,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Unemployment rate",
                            "value": 7.193342027873202,
                            "unit": "percent"
                        }
                    ]
                },
                {
                    "period": "2015",
                    "values": [
                        {
                            "metric": "Total primary energy production",
                            "value": 7443336,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Total energy consumption",
                            "value": 3873568,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Population",
                            "value": 12779559,
                            "unit": "persons"
                        },
                        {
                            "metric": "Median household income",
                            "value": 53599,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Median home value",
                            "value": 166000,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Unemployment rate",
                            "value": 7.902444758091369,
                            "unit": "percent"
                        }
                    ]
                },
                {
                    "period": "2014",
                    "values": [
                        {
                            "metric": "Total primary energy production",
                            "value": 7108292,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Total energy consumption",
                            "value": 3958080,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Population",
                            "value": 12758729,
                            "unit": "persons"
                        },
                        {
                            "metric": "Median household income",
                            "value": 53115,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Median home value",
                            "value": 164900,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Unemployment rate",
                            "value": 8.557165150328743,
                            "unit": "percent"
                        }
                    ]
                },
                {
                    "period": "2013",
                    "values": [
                        {
                            "metric": "Total primary energy production",
                            "value": 5847963,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Total energy consumption",
                            "value": 3832199,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Population",
                            "value": 12731381,
                            "unit": "persons"
                        },
                        {
                            "metric": "Median household income",
                            "value": 52548,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Median home value",
                            "value": 164700,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Unemployment rate",
                            "value": 8.951606957012713,
                            "unit": "percent"
                        }
                    ]
                },
                {
                    "period": "2012",
                    "values": [
                        {
                            "metric": "Total primary energy production",
                            "value": 4712839,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Total energy consumption",
                            "value": 3623869,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Population",
                            "value": 12699589,
                            "unit": "persons"
                        },
                        {
                            "metric": "Median household income",
                            "value": 52267,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Median home value",
                            "value": 164900,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Unemployment rate",
                            "value": 8.467432920622254,
                            "unit": "percent"
                        }
                    ]
                },
                {
                    "period": "2011",
                    "values": [
                        {
                            "metric": "Total primary energy production",
                            "value": 3848782,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Total energy consumption",
                            "value": 3727635,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Population",
                            "value": 12660739,
                            "unit": "persons"
                        },
                        {
                            "metric": "Median household income",
                            "value": 51651,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Median home value",
                            "value": 163200,
                            "unit": "US dollars"
                        },
                        {
                            "metric": "Unemployment rate",
                            "value": 7.889581166035717,
                            "unit": "percent"
                        }
                    ]
                },
                {
                    "period": "2010",
                    "values": [
                        {
                            "metric": "Total primary energy production",
                            "value": 3051085,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Total energy consumption",
                            "value": 3736054,
                            "unit": "Billion Btu"
                        }
                    ]
                },
                {
                    "period": "2009",
                    "values": [
                        {
                            "metric": "Total primary energy production",
                            "value": 2657146,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Total energy consumption",
                            "value": 3608128,
                            "unit": "Billion Btu"
                        }
                    ]
                },
                {
                    "period": "2008",
                    "values": [
                        {
                            "metric": "Total primary energy production",
                            "value": 2735862,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Total energy consumption",
                            "value": 3926058,
                            "unit": "Billion Btu"
                        }
                    ]
                },
                {
                    "period": "2007",
                    "values": [
                        {
                            "metric": "Total primary energy production",
                            "value": 2664316,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Total energy consumption",
                            "value": 3949447,
                            "unit": "Billion Btu"
                        }
                    ]
                },
                {
                    "period": "2006",
                    "values": [
                        {
                            "metric": "Total primary energy production",
                            "value": 2654791,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Total energy consumption",
                            "value": 3892981,
                            "unit": "Billion Btu"
                        }
                    ]
                },
                {
                    "period": "2005",
                    "values": [
                        {
                            "metric": "Total primary energy production",
                            "value": 2682430,
                            "unit": "Billion Btu"
                        },
                        {
                            "metric": "Total energy consumption",
                            "value": 4022884,
                            "unit": "Billion Btu"
                        }
                    ]
                }
            ]
        }
    ],
    "sources": [
        {
            "provider": "US_EIA",
            "source_url": "https://api.eia.gov/v2/seds/data/",
            "dataset_key": "TEPRB",
            "metric": "Total primary energy production"
        },
        {
            "provider": "US_EIA",
            "source_url": "https://api.eia.gov/v2/seds/data/",
            "dataset_key": "TETCB",
            "metric": "Total energy consumption"
        },
        {
            "provider": "US_CENSUS_DATA_API",
            "source_url": "https://api.census.gov/data/2024/acs/acs5",
            "dataset_key": "B01003_001E",
            "metric": "Population"
        },
        {
            "provider": "US_CENSUS_DATA_API",
            "source_url": "https://api.census.gov/data/2024/acs/acs5",
            "dataset_key": "B19013_001E",
            "metric": "Median household income"
        },
        {
            "provider": "US_CENSUS_DATA_API",
            "source_url": "https://api.census.gov/data/2024/acs/acs5",
            "dataset_key": "B25077_001E",
            "metric": "Median home value"
        },
        {
            "provider": "US_CENSUS_DATA_API",
            "source_url": "https://api.census.gov/data/2024/acs/acs5",
            "dataset_key": "B23025_003E+B23025_005E",
            "metric": "Unemployment rate"
        }
    ],
    "narrative": "Pennsylvania combines the Philadelphia and Pittsburgh metropolitan systems with Harrisburg’s government role, energy-producing areas, legacy industrial communities, university towns, mountains and rural counties. This Data Lab treats primary energy production, total energy consumption, population, median household income, median home value and unemployment as separate measures. Their units and meanings differ, so the most useful reading is to compare their individual paths while keeping regional context in view. More energy production does not mean the same thing as more consumption Pennsylvania’s primary energy production series shows a pronounced long-run expansion. Total energy consumption, by contrast, fluctuates within a much narrower band and therefore tells a different story. Production measures energy produced within the state, while consumption measures energy used within the state. Industrial structure, fuel mix, efficiency, weather, transport patterns and electricity-market institutions can affect those measures in different ways. Population, income and housing describe different regional conditions Pennsylvania’s population changes gradually at the statewide level. That aggregate cannot by itself show the contrasting paths of Philadelphia, Pittsburgh, Harrisburg, university communities, legacy industrial areas, mountain regions and rural counties. Median household income and median home value show clearer upward movement than population. They are not interchangeable measures: housing supply, financing conditions, local demand, household resources and property characteristics all matter. The unemployment rate is only one view of work Unemployment trends lower over the broader period, although temporary reversals appear along the way. This is a useful reminder that short-term movements do not always match the longer direction. A statewide unemployment rate does not reveal wage growth, labor-force participation, occupation mix or sector-specific employment. Health care, education, manufacturing, energy, logistics, government, technology and services are distributed unevenly across Pennsylvania. Philadelphia, Pittsburgh and Harrisburg anchor different regional systems Philadelphia anchors the eastern metropolitan corridor and combines national civic history with major transport, education and cultural networks. Pittsburgh organizes a western system shaped by rivers, industrial heritage, health care, education and technology. Harrisburg functions as the state-government center, while communities between the major metros include university towns, mountain regions, rural counties and former industrial centers. Statewide measures are therefore best treated as a common reference rather than a substitute for local analysis. History and policy provide context without automatic causality Colonial formation, founding-era events, oil development, war, disasters, highways and nuclear history show how Pennsylvania’s regions and infrastructure changed across very different eras. Electricity-market reform and energy-efficiency policy add a modern institutional layer to that history. They can be read beside the statistical series, but their presence alone does not establish that they caused a particular movement in energy, population, income, housing or employment. Sources US_EIA · Total primary energy productionUS_EIA · Total energy consumptionUS_CENSUS_DATA_API · PopulationUS_CENSUS_DATA_API · Median household incomeUS_CENSUS_DATA_API · Median home valueUS_CENSUS_DATA_API · Unemployment rate FAQ Why do Pennsylvania energy production and consumption follow different paths? They measure different parts of the energy system. Production records energy produced in the state, while consumption records energy used there. Industry, fuel mix, efficiency, weather and market structure can affect them differently. Can home values rise even when population changes slowly? Yes. Home values also reflect supply, financing conditions, household income, local demand and available inventory, so they do not need to move at the same pace as population. Does a policy milestone prove that it caused a statistical change? No. A policy milestone supplies institutional context. Causal evaluation requires separate evidence about implementation, affected groups, comparison conditions and measured outcomes. Pennsylvania is best understood as several regional systems sharing one statewide statistical frame. Energy production expands far more strongly than consumption, population changes gradually, household income and home values rise more clearly, and unemployment moves lower over the broader period. Philadelphia, Pittsburgh, Harrisburg and the state’s industrial, rural and mountain regions provide the spatial context that statewide averages cannot supply on their own."
}