Autos defined as all passenger cars, including station wagons. Foreign sales are all U.S. sales of vehicles not produced in the U.S., Canada, or Mexico.
Source: US. Bureau of Economic Analysis
US. Bureau of Economic Analysis, Motor Vehicle Retail Sales: Foreign Autos [FAUTOSA], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/FAUTOSA/, August 31, 2015.