Source: U.S. Bureau of Economic Analysis
Release: Gross Domestic Product
BEA Account Code: B3244C
For more information about this series, please see http://www.bea.gov/national/."
U.S. Bureau of Economic Analysis, Corporate profits after tax: Domestic industries: Transportation services [B3244C0A144NBEA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/B3244C0A144NBEA, June 25, 2018.