United States. Bureau of Economic Analysis. "Real Personal Income by State and Metropolitan Area, 2019 : Full Release, BEA 20-64," Bureau of Economic Analysis (BEA) News Releases (December 15, 2020). https://fraser.stlouisfed.org/title/6148/item/602939/content/pdf/bea_newsreleases_20201215, accessed on March 17, 2025.