Source: U.S. Bureau of Economic Analysis
Release: Gross Domestic Product
BEA Account Code: A021RO
For more information about this series, please see http://www.bea.gov/national/."
U.S. Bureau of Economic Analysis, Real Imports of Goods and Services [A021RO1Q156NBEA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/A021RO1Q156NBEA, February 19, 2018.