United States. Bureau of Economic Analysis. "U.S. International Trade in Goods and Services, Annual Revision : Highlights: April 2022 Trade Gap is $87.1 Billion, BEA 22-23, CB 22-92," Bureau of Economic Analysis (BEA) News Releases (June 7, 2022). https://fraser.stlouisfed.org/title/6148/item/616248/content/pdf/bea_newsreleases_20220607b_highlights, accessed on March 11, 2025.