Source: U.S. Bureau of Economic Analysis
Release: Gross Domestic Product
BEA Account Code: Y001RE
For more information about this series, please see http://www.bea.gov/national/."
U.S. Bureau of Economic Analysis, Shares of Gross Domestic Product: Gross Private Domestic Investment: Fixed Investment: Nonresidential: Intellectual Property Products [Y001RE1Q156NBEA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/Y001RE1Q156NBEA, June 23, 2018.