Fig.&Table2. Real world prices of rice, wheat, corn and soybean                                (Annual since 1961, $/t)
Year Rice Wheat Corn Soybeans U.S. CPI
1961 1,233.9 531.1 430.9 921.5 11.1
1962 1,366.3 575.1 435.2 822.9 11.2
1963 1,264.6 570.9 474.7 891.6 11.3
1964 1,201.0 589.1 476.8 880.1 11.5
1965 1,168.4 510.4 473.8 920.4 11.7
1966 1,381.2 523.8 483.6 966.4 12.0
1967 1,787.4 531.9 438.1 835.0 12.4
1968 1,588.7 487.7 368.8 754.2 12.9
1969 1,362.3 430.0 382.5 694.9 13.6
1970 995.6 381.1 405.6 747.3 14.4
1971 869.3 411.7 388.8 769.8 15.0
1972 968.8 451.1 360.2 831.5 15.5
1973 1,804.4 851.7 593.0 1,621.4 16.4
1974 2,967.0 984.5 725.3 1,392.6 18.3
1975 1,823.4 749.0 600.2 1,009.6 19.9
1976 1,206.2 631.4 533.0 1,027.8 21.1
1977 1,214.3 460.2 425.1 1,164.2 22.4
1978 1,526.7 529.8 417.4 1,005.0 24.1
1979 1,244.0 596.1 430.0 983.5 26.9
1980 1,346.5 566.2 410.6 971.1 30.5
1981 1,364.0 519.9 388.6 857.1 33.7
1982 762.7 448.9 305.9 684.7 35.7
1983 696.5 426.9 368.9 763.7 36.9
1984 604.5 396.0 353.4 733.4 38.5
1985 494.4 341.0 281.8 563.4 39.8
1986 459.0 283.2 215.8 513.7 40.6
1987 510.3 268.5 180.0 513.0 42.1
1988 633.6 331.5 244.1 693.0 43.8
1989 651.7 368.7 242.9 599.1 45.9
1990 559.8 280.1 225.8 510.0 48.4
1991 581.7 255.2 213.0 475.2 50.4
1992 516.4 291.1 200.7 453.4 51.9
1993 440.1 262.2 190.8 476.8 53.5
1994 487.7 272.9 196.0 459.0 54.9
1995 568.9 313.7 218.9 459.5 56.4
1996 583.4 357.4 285.5 524.8 58.1
1997 510.8 268.4 197.1 497.2 59.4
1998 504.1 209.0 169.0 403.1 60.3
1999 402.8 181.7 146.3 327.0 61.7
2000 317.5 179.0 138.9 332.3 63.7
2001 263.6 193.4 136.7 298.7 65.6
2002 288.1 222.3 149.1 319.3 66.6
2003 290.1 214.5 154.7 387.6 68.1
2004 339.9 224.3 159.9 438.3 69.9
2005 395.9 210.7 136.5 379.9 72.3
2006 408.5 257.3 163.3 360.0 74.6
2007 425.3 332.5 213.2 499.1 76.8
2008 815.7 409.0 279.9 654.8 79.7
2009 698.8 282.1 208.4 533.4 79.4
2010 602.8 275.7 229.2 551.3 81.1
2011 655.7 381.9 352.2 649.0 82.8
2012 665.7 370.4 352.9 704.1 84.6
2013 585.8 361.6 300.4 638.5 86.4
2014 479.5 323.0 218.7 549.8 88.2
2015 428.6 227.0 188.5 435.4 90.1
2016 430.8 181.2 173.1 440.9 92.0
2017 424.8 185.5 164.6 418.9 93.9
2018 438.7 218.9 171.4 411.3 95.9
2019 426.8 206.0 173.7 378.5 97.9
2020 498.2 212.0 157.0 420.7 100.0
2021 #DIV/0! @ @ @ 0.00
Year Rice Wheat Corn Soybeans U.S. CPI
Source: http://www.worldbank.org/en/research/commodity-markets
Note: The annual price data are simple averages based on the monthly data for each year.