| Year | S&P 500 | Dividends | Dividend Yield | T.Bond rate | Return on bond |
| 1927 | 17.66 | 0.62 | 3.50% | 3.17% | |
| 1928 | 24.35 | 1.05 | 4.30% | 3.45% | 0.84% |
| 1929 | 21.45 | 0.88 | 4.10% | 3.36% | 4.20% |
| 1930 | 15.34 | 0.72 | 4.70% | 3.22% | 4.54% |
| 1931 | 8.12 | 0.50 | 6.10% | 3.93% | -2.56% |
| 1932 | 6.92 | 0.50 | 7.20% | 3.35% | 8.79% |
| 1933 | 9.97 | 0.41 | 4.10% | 3.53% | 1.86% |
| 1934 | 9.5 | 0.35 | 3.70% | 3.01% | 7.96% |
| 1935 | 13.43 | 0.51 | 3.80% | 2.84% | 4.47% |
| 1936 | 17.18 | 0.54 | 3.14% | 2.59% | 5.02% |
| 1937 | 10.55 | 0.56 | 5.30% | 2.73% | 1.38% |
| 1938 | 13.14 | 0.50 | 3.80% | 2.56% | 4.21% |
| 1939 | 12.46 | 0.54 | 4.30% | 2.35% | 4.41% |
| 1940 | 10.58 | 0.55 | 5.20% | 2.01% | 5.40% |
| 1941 | 8.69 | 0.54 | 6.20% | 2.47% | -2.02% |
| 1942 | 9.77 | 0.59 | 6.00% | 2.49% | 2.29% |
| 1943 | 11.67 | 0.55 | 4.70% | 2.49% | 2.49% |
| 1944 | 13.28 | 0.61 | 4.60% | 2.48% | 2.58% |
| 1945 | 17.36 | 0.68 | 3.90% | 2.33% | 3.80% |
| 1946 | 15.3 | 0.60 | 3.90% | 2.24% | 3.13% |
| 1947 | 15.3 | 0.80 | 5.20% | 2.39% | 0.92% |
| 1948 | 15.2 | 0.97 | 6.40% | 2.44% | 1.95% |
| 1949 | 16.79 | 1.19 | 7.10% | 2.19% | 4.66% |
| 1950 | 20.43 | 1.53 | 7.50% | 2.39% | 0.43% |
| 1951 | 23.77 | 1.50 | 6.30% | 2.70% | -0.30% |
| 1952 | 26.57 | 1.51 | 5.70% | 2.75% | 2.27% |
| 1953 | 24.81 | 1.44 | 5.80% | 2.59% | 4.14% |
| 1954 | 35.98 | 1.87 | 5.20% | 2.51% | 3.29% |
| 1955 | 45.48 | 2.23 | 4.90% | 2.96% | -1.34% |
| 1956 | 46.67 | 2.19 | 4.70% | 3.59% | -2.26% |
| 1957 | 39.99 | 1.80 | 4.50% | 3.21% | 6.80% |
| 1958 | 55.21 | 2.26 | 4.10% | 3.86% | -2.10% |
| 1959 | 59.89 | 1.98 | 3.30% | 4.69% | -2.65% |
| 1960 | 58.11 | 1.98 | 3.41% | 3.84% | 11.64% |
| 1961 | 71.55 | 2.04 | 2.85% | 4.06% | 2.06% |
| 1962 | 63.1 | 2.15 | 3.40% | 3.86% | 5.69% |
| 1963 | 75.02 | 2.35 | 3.13% | 4.13% | 1.68% |
| 1964 | 84.75 | 2.58 | 3.05% | 4.18% | 3.73% |
| 1965 | 92.43 | 2.83 | 3.06% | 4.62% | 0.72% |
| 1966 | 80.33 | 2.88 | 3.59% | 4.84% | 2.91% |
| 1967 | 96.47 | 2.98 | 3.09% | 5.70% | -1.58% |
| 1968 | 103.86 | 3.04 | 2.93% | 6.03% | 3.27% |
| 1969 | 92.06 | 3.24 | 3.52% | 7.65% | -5.01% |
| 1970 | 92.15 | 3.19 | 3.46% | 6.39% | 16.75% |
| 1971 | 102.09 | 3.16 | 3.10% | 5.93% | 9.79% |
| 1972 | 118.05 | 3.19 | 2.70% | 6.36% | 2.82% |
| 1973 | 97.55 | 3.61 | 3.70% | 6.74% | 3.66% |
| 1974 | 68.56 | 3.72 | 5.43% | 7.43% | 1.99% |
| 1975 | 90.19 | 3.73 | 4.14% | 8.00% | 3.61% |
| 1976 | 107.46 | 4.22 | 3.93% | 6.87% | 15.98% |
| 1977 | 95.1 | 4.86 | 5.11% | 7.69% | 1.29% |
| 1978 | 96.11 | 5.18 | 5.39% | 9.01% | -0.78% |
| 1979 | 107.94 | 5.97 | 5.53% | 10.39% | 0.67% |
| 1980 | 135.76 | 6.44 | 4.74% | 12.84% | -2.99% |
| 1981 | 122.55 | 6.83 | 5.57% | 13.72% | 8.20% |
| 1982 | 140.64 | 6.93 | 4.93% | 10.54% | 32.81% |
| 1983 | 164.93 | 7.12 | 4.32% | 11.83% | 3.20% |
| 1984 | 167.24 | 7.83 | 4.68% | 11.50% | 13.73% |
| 1985 | 211.28 | 8.20 | 3.88% | 9.26% | 25.71% |
| 1986 | 242.17 | 8.19 | 3.38% | 7.11% | 24.28% |
| 1987 | 247.08 | 9.17 | 3.71% | 8.99% | -4.96% |
| 1988 | 277.72 | 10.22 | 3.68% | 9.11% | 8.22% |
| 1989 | 353.4 | 11.73 | 3.32% | 7.84% | 17.69% |
| 1990 | 330.22 | 12.35 | 3.74% | 8.08% | 6.24% |
| 1991 | 417.09 | 12.97 | 3.11% | 7.09% | 15.00% |
| 1992 | 435.71 | 12.64 | 2.90% | 6.77% | 9.36% |
| 1993 | 466.45 | 12.69 | 2.72% | 5.77% | 14.21% |
| 1994 | 459.27 | 13.36 | 2.91% | 7.81% | -8.04% |
| 1995 | 615.93 | 14.17 | 2.30% | 5.71% | 23.48% |
| 1996 | 747.74 | 14.89 | 1.99% | 6.30% | 1.43% |
| 1997 | 970.43 | 15.52 | 1.60% | 5.81% | 9.94% |
| 1998 | 1229.23 | 16.20 | 1.32% | 4.65% | 14.92% |
| 1999 | 1469.25 | 16.71 | 1.14% | 6.44% | -8.25% |
| 2000 | 1320.28 | 16.27 | 1.23% | 5.11% | 16.66% |