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| Source: The 2000 data are from U.S. Census Bureau, Current Population Survey, March Supplement, 2000. All other data are from Gibson, Campbell and Emily Lennon, U.S. Census Bureau, Working Paper No. 29, Historical Census Statistics on the Foreign-Born Population of the United States: 1850 to 1990, U.S. Government Printing Office, Washington, DC. 1999. This report is available online. |