United States. Bureau of Economic Analysis. "U.S. International Trade in Goods and Services : Historical Comparisons : February 2023, BEA 23-15, CB 23-51," Bureau of Economic Analysis (BEA) News Releases (April 5, 2023). https://fraser.stlouisfed.org/title/6148/item/630627/content/pdf/bea_newsreleases_23-15_20230405_historical, accessed on March 19, 2025.