Board of Governors of the Federal Reserve System (U.S.), 1935-. "Growth of Major Debt Aggregates by Sector, Annual flows (Billions)," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "December 4, 1987," Z.1 Financial Accounts of the United States (1987-12-04) : 9-9. https://fraser.stlouisfed.org/title/93/item/69068/toc/483746 , accessed on April 26, 2024.