Council of Economic Advisers (U.S.) , United States. Congress. Joint Committee on the Economic Report, 1946-1956 and United States. Congress. Joint Economic Committee, 1956-. "Productivity and Related Data, Business and Nonfarm Business Sectors," in Council of Economic Advisers (U.S.) , United States. Congress. Joint Committee on the Economic Report, 1946-1956 and United States. Congress. Joint Economic Committee, 1956-. "July 2011," Economic Indicators (July 2011) : 18-18. https://fraser.stlouisfed.org/title/1/item/641/toc/58143 , accessed on March 29, 2024.