Source: US. Bureau of Economic Analysis
Release: Gross Domestic Product
BEA Account Code: B228RC1
For more information about this series, please see http://www.bea.gov/national/.
US. Bureau of Economic Analysis, Contributions for government social insurance: Employee and self-employed contributions [B228RC1A027NBEA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/B228RC1A027NBEA, December 7, 2016.