Chain-Type Quantity Index for Real GDP: Natural Resources and Mining (NAICS 11, 21) in Connecticut was 113.83700 Index 2009=100 in January of 2020, according to the United States Federal Reserve. Historically, Chain-Type Quantity Index for Real GDP: Natural Resources and Mining (NAICS 11, 21) in Connecticut reached a record high of 157.66200 in January of 2000 and a record low of 91.20800 in January of 2011. Trading Economics provides the current actual value, an historical data chart and related indicators for Chain-Type Quantity Index for Real GDP: Natural Resources and Mining (NAICS 11, 21) in Connecticut - last updated from the United States Federal Reserve on April of 2024.