Source: U.S. Bureau of Economic Analysis
Release: Gross Domestic Product
BEA Account Code: Y001RL
For more information about this series, please see http://www.bea.gov/national/."
U.S. Bureau of Economic Analysis, Real Gross Private Domestic Investment: Fixed Investment: Nonresidential: Intellectual Property Products [Y001RL1A225NBEA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/Y001RL1A225NBEA, April 22, 2018.