United States. Bureau of Economic Analysis. "Personal Income by State, 2021 (Preliminary) and 4th Quarter 2021 : Effects of Selected Federal Pandemic Response Programs on Personal Income by State, 2021, BEA 22-10," Bureau of Economic Analysis (BEA) News Releases (March 23, 2022). https://fraser.stlouisfed.org/title/6148/item/611749/content/pdf/bea_newsreleases_20220323_effects-personal-state-2021annual, accessed on March 22, 2025.