| date | settle | CPI | date | Wheat /CPI | |||
| 12/31/1913 | 94.00 | 10 | 12/31/1913 | 9.4 | |||
| 12/31/1914 | 120.00 | 10.1 | 12/31/1914 | 11.881188 | |||
| 12/31/1915 | 123.00 | 10.3 | 12/31/1915 | 11.941748 | |||
| 12/29/1916 | 176.00 | 11.6 | 12/29/1916 | 15.172414 | |||
| 12/31/1917 | 217.00 | 13.7 | 12/31/1917 | 15.839416 | |||
| 12/31/1918 | 229.00 | 16.5 | 12/31/1918 | 13.878788 | |||
| 12/31/1919 | 244.00 | 18.9 | 12/31/1919 | 12.910053 | |||
| 12/31/1920 | 202.00 | 19.4 | 12/31/1920 | 10.412371 | |||
| 12/30/1921 | 118.00 | 17.3 | 12/30/1921 | 6.8208092 | |||
| 12/29/1922 | 133.00 | 16.9 | 12/29/1922 | 7.8698225 | |||
| 12/31/1923 | 109.00 | 17.3 | 12/31/1923 | 6.300578 | |||
| 12/31/1924 | 180.00 | 17.3 | 12/31/1924 | 10.404624 | |||
| 12/31/1925 | 180.00 | 17.9 | 12/31/1925 | 10.055866 | |||
| 12/31/1926 | 141.38 | 17.7 | 12/31/1926 | 7.9872881 | |||
| 12/30/1927 | 130.38 | 17.3 | 12/30/1927 | 7.5361272 | |||
| 12/31/1928 | 129.63 | 17.1 | 12/31/1928 | 7.5804094 | |||
| 12/31/1929 | 128.75 | 17.2 | 12/31/1929 | 7.4854651 | |||
| 12/31/1930 | 79.75 | 16.1 | 12/31/1930 | 4.9534161 | |||
| 12/31/1931 | 58.00 | 14.6 | 12/31/1931 | 3.9726027 | |||
| 12/30/1932 | 46.88 | 13.1 | 12/30/1932 | 3.5782443 | |||
| 12/29/1933 | 83.88 | 13.2 | 12/29/1933 | 6.3541667 | |||
| 12/31/1934 | 105.88 | 13.4 | 12/31/1934 | 7.9011194 | |||
| 12/31/1935 | 113.00 | 13.8 | 12/31/1935 | 8.1884058 | |||
| 12/31/1936 | 134.00 | 14 | 12/31/1936 | 9.5714286 | |||
| 12/31/1937 | 99.00 | 14.4 | 12/31/1937 | 6.875 | |||
| 12/30/1938 | 67.00 | 14 | 12/30/1938 | 4.7857143 | |||
| 12/29/1939 | 99.00 | 14 | 12/29/1939 | 7.0714286 | |||
| 12/31/1940 | 89.00 | 14.1 | 12/31/1940 | 6.3120567 | |||
| 12/31/1941 | 127.50 | 15.5 | 12/31/1941 | 8.2258065 | |||
| 12/31/1942 | 138.75 | 16.9 | 12/31/1942 | 8.2100592 | |||
| 12/31/1943 | 170.50 | 17.4 | 12/31/1943 | 9.7988506 | |||
| 12/29/1944 | 169.50 | 17.8 | 12/29/1944 | 9.5224719 | |||
| 12/31/1945 | 179.00 | 18.2 | 12/31/1945 | 9.8351648 | |||
| 12/31/1946 | 239.00 | 21.5 | 12/31/1946 | 11.116279 | |||
| 12/31/1947 | 309.00 | 23.4 | 12/31/1947 | 13.205128 | |||
| 12/31/1948 | 232.25 | 24.1 | 12/31/1948 | 9.6369295 | |||
| 12/30/1949 | 217.75 | 23.6 | 12/30/1949 | 9.2266949 | |||
| 12/29/1950 | 243.75 | 25 | 12/29/1950 | 9.75 | |||
| 12/31/1951 | 259.00 | 26.5 | 12/31/1951 | 9.7735849 | |||
| 12/31/1952 | 230.75 | 26.7 | 12/31/1952 | 8.6423221 | |||
| 12/31/1953 | 202.75 | 26.9 | 12/31/1953 | 7.5371747 | |||
| 12/31/1954 | 230.00 | 26.7 | 12/31/1954 | 8.6142322 | |||
| 12/30/1955 | 211.75 | 26.8 | 12/30/1955 | 7.9011194 | |||
| 12/31/1956 | 238.00 | 27.6 | 12/31/1956 | 8.6231884 | |||
| 12/31/1957 | 221.50 | 28.4 | 12/31/1957 | 7.7992958 | |||
| 12/31/1958 | 197.50 | 28.9 | 12/31/1958 | 6.83391 | |||
| 12/31/1959 | 203.25 | 29.4 | 12/31/1959 | 6.9132653 | |||
| 12/30/1960 | 211.75 | 29.8 | 12/30/1960 | 7.1057047 | |||
| 6/30/1961 | 214.00 | 30 | 6/30/1961 | 7.1333333 | |||
| 12/31/1962 | 213.75 | 30.4 | 12/31/1962 | 7.03125 | |||
| 12/31/1963 | 222.13 | 30.9 | 12/31/1963 | 7.1885113 | |||
| 12/31/1964 | 153.00 | 31.2 | 12/31/1964 | 4.9038462 | |||
| 12/30/1965 | 169.50 | 31.8 | 12/30/1965 | 5.3301887 | |||
| 12/30/1966 | 176.00 | 32.9 | 12/30/1966 | 5.3495441 | |||
| 12/29/1967 | 145.00 | 33.9 | 12/29/1967 | 4.2772861 | |||
| 12/31/1968 | 138.38 | 35.5 | 12/31/1968 | 3.8978873 | |||
| 12/31/1969 | 150.50 | 37.7 | 12/31/1969 | 3.9920424 | |||
| 12/31/1970 | 174.50 | 39.8 | 12/31/1970 | 4.3844221 | |||
| 12/30/1971 | 170.00 | 41.1 | 12/30/1971 | 4.136253 | |||
| 12/29/1972 | 264.25 | 42.5 | 12/29/1972 | 6.2176471 | |||
| 12/31/1973 | 605.00 | 46.2 | 12/31/1973 | 13.095238 | |||
| 12/31/1974 | 450.50 | 51.9 | 12/31/1974 | 8.6801541 | |||
| 12/31/1975 | 324.75 | 55.5 | 12/31/1975 | 5.8513514 | |||
| 12/30/1976 | 272.50 | 58.2 | 12/30/1976 | 4.6821306 | |||
| 12/30/1977 | 273.00 | 62.1 | 12/30/1977 | 4.3961353 | |||
| 12/29/1978 | 369.25 | 67.7 | 12/29/1978 | 5.4542097 | |||
| 12/31/1979 | 444.25 | 76.7 | 12/31/1979 | 5.7920469 | |||
| 12/31/1980 | 466.00 | 86.3 | 12/31/1980 | 5.3997683 | |||
| 12/31/1981 | 381.50 | 94 | 12/31/1981 | 4.0585106 | |||
| 12/30/1982 | 322.00 | 97.6 | 12/30/1982 | 3.2991803 | |||
| 12/30/1983 | 370.50 | 101.3 | 12/30/1983 | 3.6574531 | |||
| 12/31/1984 | 365.00 | 105.3 | 12/31/1984 | 3.4662868 | |||
| 12/31/1985 | 356.50 | 109.3 | 12/31/1985 | 3.2616651 | |||
| 12/31/1986 | 293.50 | 110.5 | 12/31/1986 | 2.6561086 | |||
| 12/31/1987 | 312.00 | 115.4 | 12/31/1987 | 2.7036395 | |||
| 12/30/1988 | 441.50 | 120.5 | 12/30/1988 | 3.6639004 | |||
| 12/29/1989 | 412.50 | 126.1 | 12/29/1989 | 3.2712133 | |||
| 12/31/1990 | 269.00 | 133.8 | 12/31/1990 | 2.0104634 | |||
| 12/31/1991 | 371.50 | 137.9 | 12/31/1991 | 2.6939811 | |||
| 12/31/1992 | 372.50 | 141.9 | 12/31/1992 | 2.6250881 | |||
| 12/30/1993 | 369.00 | 145.8 | 12/30/1993 | 2.5308642 | |||
| 12/30/1994 | 407.00 | 149.7 | 12/30/1994 | 2.7187709 | |||
| 12/29/1995 | 513.00 | 153.5 | 12/29/1995 | 3.3420195 | |||
| 12/31/1996 | 384.00 | 158.6 | 12/31/1996 | 2.4211854 | |||
| 12/31/1997 | 330.00 | 161.3 | 12/31/1997 | 2.0458772 | |||
| 12/31/1998 | 251.00 | 163.9 | 12/31/1998 | 1.5314216 | |||
| 12/30/1999 | 228.50 | 168.3 | 12/30/1999 | 1.3576946 | |||
| 12/29/2000 | 248.00 | 174 | 12/29/2000 | 1.4252874 | |||
| 12/31/2001 | 300.50 | 176.7 | 12/31/2001 | 1.7006225 | |||
| 12/31/2002 | 341.50 | 180.9 | 12/31/2002 | 1.8877833 | |||
| 6/6/2003 | 325.50 | 183.8 | 6/6/2003 | 1.7709467 | |||