Table 2,, Top 5 Gateways for Passengers in Personal Vehicles Entering the United States: 1999,, ,Number, ,Canada,(thousands) ,"Detroit, MI","19,382" ,"Buffalo-Niagara Falls, NY","16,532" ,"Blaine, WA","8,443" ,"Sault Ste. Marie, MI","5,766" ,"Port Huron, MI","4,309" ,Mexico, ,"El Paso, TX","46,397" ,"San Ysidro, CA","33,593" ,"Hildago, TX","29,119" ,"Calexico, CA","20,372" ,"Brownsville, TX","18,948" "SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, special tabulation, August 2000, based on U.S. Department of Treasury, U.S. Customs Service, Office of Field Operations, Operations Management Database, 1999.",,