Source: U.S. Bureau of Economic Analysis
Release: Gross Domestic Product
BEA Account Code: W031RG
For more information about this series, please see http://www.bea.gov/national/."
U.S. Bureau of Economic Analysis, Private fixed investment in structures: Nonresidential: Commercial and health care: Office (chain-type price index) [W031RG3A086NBEA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/W031RG3A086NBEA, March 19, 2018.