1. CBP (US Customs and Border Protection). 2021. “U.S. Border Patrol Fiscal Year Southwest Border Sector Apprehensions (FY 1960 - FY 2020).” Washington, DC: CBP. https://www.cbp.gov/sites/default/files/assets/documents/2021-Aug/US59B8∼1.PDF
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3. ———. 2022. “State-Level Unauthorized Population and Eligible-to Naturalize Estimates.” Data Tool. New York: CMS. data.cmsny.org.
4. DHS (US Department of Homeland Security). 2020. “2019 Yearbook of Immigration Statistics.” Washington, DC: DHS Office of Immigration Statistics. https://www.dhs.gov/sites/default/files/publications/immigration-statistics/yearbook/2019/yearbook_immigration_statistics_2019.pdf