Chain-Type Quantity Index for Real GDP: Ambulatory Health Care Services (NAICS 621) in Oklahoma was 114.71600 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 Oklahoma reached a record high of 121.73200 in January of 2019 and a record low of 62.98500 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: Ambulatory Health Care Services (NAICS 621) in Oklahoma - last updated from the United States Federal Reserve on April of 2024.