Chain-Type Quantity Index for Real GDP: Construction (NAICS 23) in the District of Columbia was 103.00000 Index 2009=100 in January of 2020, according to the United States Federal Reserve. Historically, Chain-Type Quantity Index for Real GDP: Construction (NAICS 23) in the District of Columbia reached a record high of 109.43800 in January of 2002 and a record low of 66.57800 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: Construction (NAICS 23) in the District of Columbia - last updated from the United States Federal Reserve on April of 2024.