<item>1. Yields on the more actively traded issues adjusted to constant maturities by the U.S. Treasury.
<item>2. Yields are based on closing bid prices quoted by at least five dealers.
<item>3. Averages (to maturity or call) for all outstanding bonds neither due nor callable in less than 10 years, including several very low yielding "flower" bonds.
<item>4. Source: Moody's Investors Service, New York, NY.
<item>5. Source: Standard & Poor's Corp., New York, NY.
<item>6. Based on first trading day of each month, deferred call, new issue estimate. Source: Salomon Brothers, Inc., New York, NY.
<item>7. Covers 40 bonds for period 1970-1983, 38 bonds for 1984-1986, and 37 bonds for 1987 and 1988.
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<p>Source: Except as noted, Board of Governors of the Federal Reserve System.