Chain-Type Quantity Index for Real GDP: Ambulatory Health Care Services (NAICS 621) in the District of Columbia was 126.48600 Index 2009=100 in January of 2020, according to the United States Federal Reserve. Historically, Chain-Type Quantity Index for Real GDP: Ambulatory Health Care Services (NAICS 621) in the District of Columbia reached a record high of 135.17600 in January of 2019 and a record low of 56.40200 in January of 1998. Trading Economics provides the current actual value, an historical data chart and related indicators for Chain-Type Quantity Index for Real GDP: Ambulatory Health Care Services (NAICS 621) in the District of Columbia - last updated from the United States Federal Reserve on April of 2024.