Chain-Type Quantity Index for Real GDP: Construction (NAICS 23) in Maryland was 125.30300 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 Maryland reached a record high of 135.66700 in January of 2004 and a record low of 97.29900 in January of 2010. 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 Maryland - last updated from the United States Federal Reserve on April of 2024.