United States. President and Council of Economic Advisers (U.S.). "Percent Changes in Real Gross Domestic Product," in United States. President and Council of Economic Advisers (U.S.). "2017," Economic Report of the President (2017) : 569-570. https://fraser.stlouisfed.org/title/45/item/535300/toc/519029 , accessed on April 22, 2024.