United States. Office of Management and Budget. "Gross Domestic Product and Implicit Outlay Deflators," in United States. Office of Management and Budget. "Fiscal Year 2005," Historical Tables, Budget of the United States Government (February 2, 2004) : 164-165. https://fraser.stlouisfed.org/title/383/item/6431/toc/424724 , accessed on April 18, 2024.