United States. Bureau of Economic Analysis. "Gross Domestic Product: First Quarter 2006 (Final) | Corporate Profits: First Quarter 2006 (Final) : Highlights: GDP Grew 5.6 Percent in the First Quarter, BEA 06-30," Bureau of Economic Analysis (BEA) News Releases (June 29, 2006). https://fraser.stlouisfed.org/title/6148/item/598041/content/pdf/bea_newsreleases_20060629_highlights, accessed on March 19, 2025.