Board of Governors of the Federal Reserve System (U.S.), 1935-. "Charts," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "March 16, 1989," G.3 Capacity Utilization, Manufacturing, Mining, Utilities and Industrial Materials (1989-03-16) : 2-2. https://fraser.stlouisfed.org/title/51/item/56726/toc/448466 , accessed on March 28, 2024.