Source: US. Bureau of Economic Analysis
Release: Gross Domestic Product
BEA Account Code: B1219C1
For more information about this series, please see http://www.bea.gov/national/.
US. Bureau of Economic Analysis, Nonfarm sole proprietorships and partnerships: Depreciation or amortization of intangible assets, IRS [B1219C1A027NBEA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/B1219C1A027NBEA, August 29, 2016.