Chain-Type Quantity Index for Real GDP: Mining, Quarrying, and Oil and Gas Extraction (NAICS 21) in Pennsylvania was 131.57600 Index 2009=100 in January of 2020, according to the United States Federal Reserve. Historically, Chain-Type Quantity Index for Real GDP: Mining, Quarrying, and Oil and Gas Extraction (NAICS 21) in Pennsylvania reached a record high of 140.92900 in January of 2015 and a record low of 36.23700 in January of 1997. Trading Economics provides the current actual value, an historical data chart and related indicators for Chain-Type Quantity Index for Real GDP: Mining, Quarrying, and Oil and Gas Extraction (NAICS 21) in Pennsylvania - last updated from the United States Federal Reserve on April of 2024.