Board of Governors of the Federal Reserve System (U.S.), 1935-. "Chart - Industrial Production, Capacity, and Utilization," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "November 17, 1997," G.17 Industrial Production and Capacity Utilization (1997-11-17) : 3-3. https://fraser.stlouisfed.org/title/77/item/63672/toc/456341 , accessed on November 30, 2020.