Source: U.S. Bureau of Economic Analysis
Release: Gross Domestic Product
BEA Account Code: Y052RC
For more information about this series, please see http://www.bea.gov/national/."
U.S. Bureau of Economic Analysis, Government Gross Investment: Federal: National Defense: Gross Investment: Intellectual Property Products [Y052RC1A027NBEA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/Y052RC1A027NBEA, April 25, 2018.