Board of Governors of the Federal Reserve System (U.S.), 1935-. "Output, Capacity, and Capacity Utilization," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1994," Annual Statistical Digest (November 1995) : 91-92. https://fraser.stlouisfed.org/title/7/item/23500/toc/87546 , accessed on April 18, 2024.