Group 1, 1960, Total value of -1.538.

Item 1, Corn value of -0.019 which is 1.2% of 1960.

Item 2, Wheat value of -1.947 which is 126.6% of 1960.

Item 3, Rice value of 0.428 which is -27.8% of 1960.

Group 2, 1961, Total value of -4.525.

Item 1, Corn value of -0.212 which is 4.7% of 1961.

Item 2, Wheat value of -4.771 which is 105.4% of 1961.

Item 3, Rice value of 0.458 which is -10.1% of 1961.

Group 3, 1962, Total value of -4.364.

Item 1, Corn value of -0.245 which is 5.6% of 1962.

Item 2, Wheat value of -4.803 which is 110.1% of 1962.

Item 3, Rice value of 0.684 which is -15.7% of 1962.

Group 4, 1963, Total value of -4.447.

Item 1, Corn value of -0.114 which is 2.6% of 1963.

Item 2, Wheat value of -5.095 which is 114.6% of 1963.

Item 3, Rice value of 0.762 which is -17.1% of 1963.

Group 5, 1964, Total value of -3.748.

Item 1, Corn value of 0.184 which is -4.9% of 1964.

Item 2, Wheat value of -4.917 which is 131.2% of 1964.

Item 3, Rice value of 0.985 which is -26.3% of 1964.

Group 6, 1965, Total value of -4.59.

Item 1, Corn value of 0.201 which is -4.4% of 1965.

Item 2, Wheat value of -6.278 which is 136.8% of 1965.

Item 3, Rice value of 1.487 which is -32.4% of 1965.

Group 7, 1966, Total value of -3.358.

Item 1, Corn value of 0.06 which is -1.8% of 1966.

Item 2, Wheat value of -4.995 which is 148.7% of 1966.

Item 3, Rice value of 1.577 which is -47.0% of 1966.

Group 8, 1967, Total value of -2.932.

Item 1, Corn value of -0.088 which is 3.0% of 1967.

Item 2, Wheat value of -4.143 which is 141.3% of 1967.

Item 3, Rice value of 1.299 which is -44.3% of 1967.

Group 9, 1968, Total value of -2.323.

Item 1, Corn value of 0.034 which is -1.5% of 1968.

Item 2, Wheat value of -3.536 which is 152.2% of 1968.

Item 3, Rice value of 1.179 which is -50.8% of 1968.

Group 10, 1969, Total value of -3.849.

Item 1, Corn value of 0 which is -.0% of 1969.

Item 2, Wheat value of -5.124 which is 133.1% of 1969.

Item 3, Rice value of 1.275 which is -33.1% of 1969.

Group 11, 1970, Total value of -2.343.

Item 1, Corn value of 0.031 which is -1.3% of 1970.

Item 2, Wheat value of -3.658 which is 156.1% of 1970.

Item 3, Rice value of 1.284 which is -54.8% of 1970.

Group 12, 1971, Total value of -1.256.

Item 1, Corn value of 0.3 which is -23.9% of 1971.

Item 2, Wheat value of -2.963 which is 235.9% of 1971.

Item 3, Rice value of 1.407 which is -112.0% of 1971.

Group 13, 1972, Total value of -3.409.

Item 1, Corn value of -0.755 which is 22.1% of 1972.

Item 2, Wheat value of -5.285 which is 155.0% of 1972.

Item 3, Rice value of 2.631 which is -77.2% of 1972.

Group 14, 1973, Total value of -5.59.

Item 1, Corn value of -1.908 which is 34.1% of 1973.

Item 2, Wheat value of -5.64 which is 100.9% of 1973.

Item 3, Rice value of 1.958 which is -35.0% of 1973.

Group 15, 1974, Total value of -4.412.

Item 1, Corn value of -0.271 which is 6.1% of 1974.

Item 2, Wheat value of -5.741 which is 130.1% of 1974.

Item 3, Rice value of 1.6 which is -36.3% of 1974.

Group 16, 1975, Total value of -1.213.

Item 1, Corn value of 0.225 which is -18.5% of 1975.

Item 2, Wheat value of -2.2 which is 181.4% of 1975.

Item 3, Rice value of 0.762 which is -62.8% of 1975.

Group 17, 1976, Total value of -2.

Item 1, Corn value of 0.125 which is -6.2% of 1976.

Item 2, Wheat value of -3.158 which is 157.9% of 1976.

Item 3, Rice value of 1.033 which is -51.6% of 1976.

Group 18, 1977, Total value of -7.149.

Item 1, Corn value of 0.016 which is -.2% of 1977.

Item 2, Wheat value of -8.6 which is 120.3% of 1977.

Item 3, Rice value of 1.435 which is -20.1% of 1977.

Group 19, 1978, Total value of -10.047.

Item 1, Corn value of -2.982 which is 29.7% of 1978.

Item 2, Wheat value of -8.047 which is 80.1% of 1978.

Item 3, Rice value of 0.982 which is -9.8% of 1978.

Group 20, 1979, Total value of -9.658.

Item 1, Corn value of -1.891 which is 19.6% of 1979.

Item 2, Wheat value of -8.865 which is 91.8% of 1979.

Item 3, Rice value of 1.098 which is -11.4% of 1979.

Group 21, 1980, Total value of -14.089.

Item 1, Corn value of -0.647 which is 4.6% of 1980.

Item 2, Wheat value of -13.789 which is 97.9% of 1980.

Item 3, Rice value of 0.347 which is -2.5% of 1980.

Group 22, 1981, Total value of -14.162.

Item 1, Corn value of -1.145 which is 8.1% of 1981.

Item 2, Wheat value of -13.2 which is 93.2% of 1981.

Item 3, Rice value of 0.183 which is -1.3% of 1981.

Group 23, 1982, Total value of -15.124.

Item 1, Corn value of -2.391 which is 15.8% of 1982.

Item 2, Wheat value of -13 which is 86.0% of 1982.

Item 3, Rice value of 0.267 which is -1.8% of 1982.

Group 24, 1983, Total value of -8.407.

Item 1, Corn value of 0.199 which is -2.4% of 1983.

Item 2, Wheat value of -9.6 which is 114.2% of 1983.

Item 3, Rice value of 0.994 which is -11.8% of 1983.

Group 25, 1984, Total value of -1.442.

Item 1, Corn value of 5.14 which is -356.4% of 1984.

Item 2, Wheat value of -7.4 which is 513.2% of 1984.

Item 3, Rice value of 0.818 which is -56.7% of 1984.

Group 26, 1985, Total value of 0.031.

Item 1, Corn value of 6.026 which is 19438.7% of 1985.

Item 2, Wheat value of -6.6 which is -21290.3% of 1985.

Item 3, Rice value of 0.605 which is 1951.6% of 1985.

Group 27, 1986, Total value of -5.739.

Item 1, Corn value of 2.199 which is -38.3% of 1986.

Item 2, Wheat value of -8.81 which is 153.5% of 1986.

Item 3, Rice value of 0.872 which is -15.2% of 1986.

Group 28, 1987, Total value of -10.75.

Item 1, Corn value of 4.293 which is -39.9% of 1987.

Item 2, Wheat value of -15.32 which is 142.5% of 1987.

Item 3, Rice value of 0.277 which is -2.6% of 1987.

Group 29, 1988, Total value of -12.096.

Item 1, Corn value of 4.008 which is -33.1% of 1988.

Item 2, Wheat value of -15.376 which is 127.1% of 1988.

Item 3, Rice value of -0.728 which is 6.0% of 1988.

Group 30, 1989, Total value of -9.88.

Item 1, Corn value of 2.643 which is -26.8% of 1989.

Item 2, Wheat value of -12.792 which is 129.5% of 1989.

Item 3, Rice value of 0.269 which is -2.7% of 1989.

Group 31, 1990, Total value of -1.9.

Item 1, Corn value of 6.88 which is -362.1% of 1990.

Item 2, Wheat value of -9.401 which is 494.8% of 1990.

Item 3, Rice value of 0.621 which is -32.7% of 1990.

Group 32, 1991, Total value of -5.039.

Item 1, Corn value of 9.974 which is -197.9% of 1991.

Item 2, Wheat value of -15.853 which is 314.6% of 1991.

Item 3, Rice value of 0.84 which is -16.7% of 1991.

Group 33, 1992, Total value of 6.138.

Item 1, Corn value of 11.463 which is 186.8% of 1992.

Item 2, Wheat value of -6.544 which is -106.6% of 1992.

Item 3, Rice value of 1.219 which is 19.9% of 1992.

Group 34, 1993, Total value of 8.455.

Item 1, Corn value of 11.594 which is 137.1% of 1993.

Item 2, Wheat value of -3.689 which is -43.6% of 1993.

Item 3, Rice value of 0.55 which is 6.5% of 1993.

Group 35, 1994, Total value of -14.765.

Item 1, Corn value of -2.954 which is 20.0% of 1994.

Item 2, Wheat value of -9.845 which is 66.7% of 1994.

Item 3, Rice value of -1.966 which is 13.3% of 1994.

Group 36, 1995, Total value of -13.941.

Item 1, Corn value of -1.319 which is 9.5% of 1995.

Item 2, Wheat value of -12.035 which is 86.3% of 1995.

Item 3, Rice value of -0.587 which is 4.2% of 1995.

Group 37, 1996, Total value of 2.697.

Item 1, Corn value of 3.817 which is 141.5% of 1996.

Item 2, Wheat value of -1.736 which is -64.4% of 1996.

Item 3, Rice value of 0.616 which is 22.8% of 1996.

Group 38, 1997, Total value of 8.605.

Item 1, Corn value of 5.886 which is 68.4% of 1997.

Item 2, Wheat value of -0.754 which is -8.8% of 1997.

Item 3, Rice value of 3.473 which is 40.4% of 1997.

Group 39, 1998, Total value of 5.319.

Item 1, Corn value of 3.076 which is 57.8% of 1998.

Item 2, Wheat value of -0.287 which is -5.4% of 1998.

Item 3, Rice value of 2.53 which is 47.6% of 1998.

Group 40, 1999, Total value of 12.069.

Item 1, Corn value of 9.864 which is 81.7% of 1999.

Item 2, Wheat value of -0.468 which is -3.9% of 1999.

Item 3, Rice value of 2.673 which is 22.1% of 1999.

Group 41, 2000, Total value of 9.192.

Item 1, Corn value of 7.187 which is 78.2% of 2000.

Item 2, Wheat value of 0.428 which is 4.7% of 2000.

Item 3, Rice value of 1.577 which is 17.2% of 2000.

Group 42, 2001, Total value of 10.651.

Item 1, Corn value of 8.572 which is 80.5% of 2001.

Item 2, Wheat value of 0.42 which is 3.9% of 2001.

Item 3, Rice value of 1.659 which is 15.6% of 2001.

Group 43, 2002, Total value of 18.84.

Item 1, Corn value of 15.215 which is 80.8% of 2002.

Item 2, Wheat value of 1.3 which is 6.9% of 2002.

Item 3, Rice value of 2.325 which is 12.3% of 2002.

Group 44, 2003, Total value of 6.384.

Item 1, Corn value of 7.551 which is 118.3% of 2003.

Item 2, Wheat value of -0.925 which is -14.5% of 2003.

Item 3, Rice value of -0.242 which is -3.8% of 2003.

Group 45, 2004, Total value of 2.058.

Item 1, Corn value of 7.587 which is 368.7% of 2004.

Item 2, Wheat value of -5.576 which is -270.9% of 2004.

Item 3, Rice value of 0.047 which is 2.3% of 2004.

Group 46, 2005, Total value of 4.606.

Item 1, Corn value of 3.665 which is 79.6% of 2005.

Item 2, Wheat value of 0.379 which is 8.2% of 2005.

Item 3, Rice value of 0.562 which is 12.2% of 2005.

Group 47, 2006, Total value of 8.52.

Item 1, Corn value of 5.25 which is 61.6% of 2006.

Item 2, Wheat value of 2.4 which is 28.2% of 2006.

Item 3, Rice value of 0.87 which is 10.2% of 2006.

Group 48, 2007/08, Total value of 4.05.

Item 1, Corn value of 0.5 which is 12.3% of 2007/08.

Item 2, Wheat value of 2.8 which is 69.1% of 2007/08.

Item 3, Rice value of 0.75 which is 18.5% of 2007/08.

Source: USDA, Economic Research Service using data from USDA, Foreign Agricultural Service, Production, Supply, and Distribution (PS&D) database.