Source: U.S. Bureau of Economic Analysis
Release: Gross Domestic Product
BEA Account Code: B1816C
For more information about this series, please see http://www.bea.gov/national/."
U.S. Bureau of Economic Analysis, Nonfarm proprietors' income: Business services [B1816C0A144NBEA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/B1816C0A144NBEA, November 19, 2017.