Source: U.S. Bureau of Economic Analysis
Release: Gross Domestic Product
BEA Account Code: Y076RA
For more information about this series, please see http://www.bea.gov/national/."
U.S. Bureau of Economic Analysis, Real Government Gross Investment: Federal: National Defense: Gross Investment: Intellectual Property Products: Research and Development (chain-type quantity index) [Y076RA3A086NBEA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/Y076RA3A086NBEA, March 18, 2018.