Source: U.S. Bureau of Economic Analysis
Release: Gross Domestic Product
This series has been discontinued and will no longer be updated. It was a duplicate of the following series, which will continue to be updated: https://fred.stlouisfed.org/series/IMPGSC1
A Guide to the National Income and Product Accounts of the United States (NIPA) - (http://www.bea.gov/national/pdf/nipaguid.pdf)
U.S. Bureau of Economic Analysis, Real imports of goods and services (DISCONTINUED) [IMPGSC96], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/IMPGSC96, September 24, 2018.