United States. Bureau of Economic Analysis. "U.S. International Trade in Goods and Services, February 2022 : Historical Comparisons, BEA 22-16, CB 22-53," Bureau of Economic Analysis (BEA) News Releases (April 5, 2022). https://fraser.stlouisfed.org/title/6148/item/611781/content/pdf/bea_newsreleases_20220405_historical, accessed on March 18, 2025.