Board of Governors of the Federal Reserve System (U.S.), 1935-. "Insurance and Pension Fund Reserves, Seasonally Adjusted Annual Rates," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "December 2, 1988," Z.1 Financial Accounts of the United States (1988-12-02) : 46-46. https://fraser.stlouisfed.org/title/93/item/69102/toc/476048 , accessed on May 11, 2024.