Source: U.S. Bureau of Economic Analysis
Release: Gross Domestic Product
BEA Account Code: A190RC
A Guide to the National Income and Product Accounts of the United States - http://www.bea.gov/national/pdf/nipaguid.pdf
U.S. Bureau of Economic Analysis, Final Sales of Domestic Product [FINSAL], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/FINSAL, April 22, 2018.