| date | settle | CPI | date | Soybeans / CPI | |||
| 12/31/1913 | 172.00 | 10 | 12/31/1913 | 17.2 | |||
| 12/31/1914 | 224.00 | 10.1 | 12/31/1914 | 22.178218 | |||
| 12/31/1915 | 223.00 | 10.3 | 12/31/1915 | 21.650485 | |||
| 12/29/1916 | 218.00 | 11.6 | 12/29/1916 | 18.793103 | |||
| 12/31/1917 | 333.00 | 13.7 | 12/31/1917 | 24.306569 | |||
| 12/31/1918 | 329.00 | 16.5 | 12/31/1918 | 19.939394 | |||
| 12/31/1919 | 344.00 | 18.9 | 12/31/1919 | 18.201058 | |||
| 12/31/1920 | 228.00 | 19.4 | 12/31/1920 | 11.752577 | |||
| 12/30/1921 | 208.00 | 17.3 | 12/30/1921 | 12.023121 | |||
| 12/29/1922 | 197.00 | 16.9 | 12/29/1922 | 11.656805 | |||
| 12/31/1923 | 211.00 | 17.3 | 12/31/1923 | 12.196532 | |||
| 12/31/1924 | 236.00 | 17.3 | 12/31/1924 | 13.641618 | |||
| 12/31/1925 | 217.00 | 17.9 | 12/31/1925 | 12.122905 | |||
| 12/31/1926 | 183.00 | 17.7 | 12/31/1926 | 10.338983 | |||
| 12/30/1927 | 161.00 | 17.3 | 12/30/1927 | 9.3063584 | |||
| 12/31/1928 | 170.00 | 17.1 | 12/31/1928 | 9.9415205 | |||
| 12/31/1929 | 172.00 | 17.2 | 12/31/1929 | 10 | |||
| 12/31/1930 | 144.00 | 16.1 | 12/31/1930 | 8.9440994 | |||
| 12/31/1931 | 47.00 | 14.6 | 12/31/1931 | 3.2191781 | |||
| 12/30/1932 | 44.00 | 13.1 | 12/30/1932 | 3.3587786 | |||
| 12/29/1933 | 73.00 | 13.2 | 12/29/1933 | 5.530303 | |||
| 12/31/1934 | 111.00 | 13.4 | 12/31/1934 | 8.2835821 | |||
| 12/31/1935 | 72.00 | 13.8 | 12/31/1935 | 5.2173913 | |||
| 12/31/1936 | 130.00 | 14 | 12/31/1936 | 9.2857143 | |||
| 12/31/1937 | 83.00 | 14.4 | 12/31/1937 | 5.7638889 | |||
| 12/30/1938 | 67.00 | 14 | 12/30/1938 | 4.7857143 | |||
| 12/29/1939 | 97.00 | 14 | 12/29/1939 | 6.9285714 | |||
| 12/31/1940 | 96.50 | 14.1 | 12/31/1940 | 6.8439716 | |||
| 12/31/1941 | 174.50 | 15.5 | 12/31/1941 | 11.258065 | |||
| 12/31/1942 | 165.25 | 16.9 | 12/31/1942 | 9.7781065 | |||
| 12/31/1943 | 186.00 | 17.4 | 12/31/1943 | 10.689655 | |||
| 12/29/1944 | 212.00 | 17.8 | 12/29/1944 | 11.910112 | |||
| 12/31/1945 | 219.00 | 18.2 | 12/31/1945 | 12.032967 | |||
| 12/31/1946 | 317.00 | 21.5 | 12/31/1946 | 14.744186 | |||
| 12/31/1947 | 394.00 | 23.4 | 12/31/1947 | 16.837607 | |||
| 12/31/1948 | 259.88 | 24.1 | 12/31/1948 | 10.783195 | |||
| 12/30/1949 | 229.63 | 23.6 | 12/30/1949 | 9.7298729 | |||
| 12/29/1950 | 316.75 | 25 | 12/29/1950 | 12.67 | |||
| 12/31/1951 | 291.00 | 26.5 | 12/31/1951 | 10.981132 | |||
| 12/31/1952 | 296.13 | 26.7 | 12/31/1952 | 11.090824 | |||
| 12/31/1953 | 306.50 | 26.9 | 12/31/1953 | 11.394052 | |||
| 12/31/1954 | 285.00 | 26.7 | 12/31/1954 | 10.674157 | |||
| 12/30/1955 | 239.50 | 26.8 | 12/30/1955 | 8.9365672 | |||
| 12/31/1956 | 246.50 | 27.6 | 12/31/1956 | 8.9311594 | |||
| 12/31/1957 | 223.50 | 28.4 | 12/31/1957 | 7.8697183 | |||
| 12/31/1958 | 217.50 | 28.9 | 12/31/1958 | 7.5259516 | |||
| 12/31/1959 | 215.00 | 29.4 | 12/31/1959 | 7.3129252 | |||
| 12/30/1960 | 233.00 | 29.8 | 12/30/1960 | 7.8187919 | |||
| 12/29/1961 | 246.00 | 30 | 12/29/1961 | 8.2 | |||
| 12/31/1962 | 253.00 | 30.4 | 12/31/1962 | 8.3223684 | |||
| 12/31/1963 | 284.00 | 30.9 | 12/31/1963 | 9.1909385 | |||
| 12/31/1964 | 283.00 | 31.2 | 12/31/1964 | 9.0705128 | |||
| 12/30/1965 | 267.00 | 31.8 | 12/30/1965 | 8.3962264 | |||
| 12/30/1966 | 298.00 | 32.9 | 12/30/1966 | 9.0577508 | |||
| 12/29/1967 | 265.63 | 33.9 | 12/29/1967 | 7.8355457 | |||
| 12/31/1968 | 262.00 | 35.5 | 12/31/1968 | 7.3802817 | |||
| 12/31/1969 | 248.63 | 37.7 | 12/31/1969 | 6.5948276 | |||
| 12/31/1970 | 290.00 | 39.8 | 12/31/1970 | 7.2864322 | |||
| 12/30/1971 | 309.25 | 41.1 | 12/30/1971 | 7.5243309 | |||
| 12/29/1972 | 421.25 | 42.5 | 12/29/1972 | 9.9117647 | |||
| 12/31/1973 | 575.63 | 46.2 | 12/31/1973 | 12.459416 | |||
| 12/31/1974 | 694.63 | 51.9 | 12/31/1974 | 13.383911 | |||
| 12/31/1975 | 445.88 | 55.5 | 12/31/1975 | 8.0337838 | |||
| 12/30/1976 | 701.63 | 58.2 | 12/30/1976 | 12.055412 | |||
| 12/30/1977 | 587.00 | 62.1 | 12/30/1977 | 9.452496 | |||
| 12/29/1978 | 672.63 | 67.7 | 12/29/1978 | 9.9353767 | |||
| 12/31/1979 | 616.25 | 76.7 | 12/31/1979 | 8.0345502 | |||
| 12/31/1980 | 770.88 | 86.3 | 12/31/1980 | 8.9325029 | |||
| 12/31/1981 | 605.50 | 94 | 12/31/1981 | 6.4414894 | |||
| 12/30/1982 | 551.00 | 97.6 | 12/30/1982 | 5.6454918 | |||
| 12/30/1983 | 809.50 | 101.3 | 12/30/1983 | 7.9911155 | |||
| 12/31/1984 | 571.50 | 105.3 | 12/31/1984 | 5.4273504 | |||
| 12/31/1985 | 523.00 | 109.3 | 12/31/1985 | 4.7849954 | |||
| 12/31/1986 | 475.50 | 110.5 | 12/31/1986 | 4.3031674 | |||
| 12/31/1987 | 587.50 | 115.4 | 12/31/1987 | 5.0909879 | |||
| 12/30/1988 | 789.00 | 120.5 | 12/30/1988 | 6.5477178 | |||
| 12/29/1989 | 561.50 | 126.1 | 12/29/1989 | 4.4528152 | |||
| 12/31/1990 | 557.00 | 133.8 | 12/31/1990 | 4.1629297 | |||
| 12/31/1991 | 551.50 | 137.9 | 12/31/1991 | 3.9992748 | |||
| 12/31/1992 | 555.50 | 141.9 | 12/31/1992 | 3.9147287 | |||
| 12/30/1993 | 696.50 | 145.8 | 12/30/1993 | 4.7770919 | |||
| 12/30/1994 | 545.50 | 149.7 | 12/30/1994 | 3.6439546 | |||
| 12/29/1995 | 725.50 | 153.5 | 12/29/1995 | 4.7263844 | |||
| 12/31/1996 | 688.00 | 158.6 | 12/31/1996 | 4.3379571 | |||
| 12/31/1997 | 666.00 | 161.3 | 12/31/1997 | 4.1289523 | |||
| 12/31/1998 | 526.00 | 163.9 | 12/31/1998 | 3.2092739 | |||
| 12/30/1999 | 447.50 | 168.3 | 12/30/1999 | 2.6589424 | |||
| 12/29/2000 | 487.50 | 174 | 12/29/2000 | 2.8017241 | |||
| 12/31/2001 | 413.63 | 176.7 | 12/31/2001 | 2.3408319 | |||
| 12/31/2002 | 560.63 | 180.9 | 12/31/2002 | 3.0991155 | |||
| 6/6/2003 | 624.63 | 183.8 | 6/6/2003 | 3.3984222 | |||