Source: U.S. Bureau of Economic Analysis
Release: Gross Domestic Product
BEA Account Code: W589RZ
For more information about this series, please see http://www.bea.gov/national/."
U.S. Bureau of Economic Analysis, Contributions to percent change in real government consumption expenditures and gross investment: Economic affairs: Transportation [W589RZ2A224NBEA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/W589RZ2A224NBEA, December 11, 2017.