Source: U.S. Bureau of Economic Analysis
Release: Gross Domestic Product
BEA Account Code: B648RG
For more information about this series, please see http://www.bea.gov/national/."
U.S. Bureau of Economic Analysis, Imports of goods: Petroleum and products (chain-type price index) [B648RG3Q086SBEA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/B648RG3Q086SBEA, March 21, 2018.