| Fig.&Table1. Nominal world prices of rice, wheat, corn and soybean (Annual since 1961, $/t） | ||||||||
| Year | Rice | Wheat | Corn | Soybean | U.S. CPI | 10 | ||
| 1961 | 136.6 | 58.8 | 47.7 | 102.0 | 9.74 | 10.10 | ||
| 1962 | 152.8 | 64.3 | 48.7 | 92.0 | 9.83 | 10.20 | ||
| 1963 | 143.3 | 64.7 | 53.8 | 101.0 | 9.93 | 10.34 | ||
| 1964 | 137.8 | 67.6 | 54.7 | 101.0 | 10.06 | 10.47 | ||
| 1965 | 136.3 | 59.5 | 55.2 | 107.3 | 10.20 | 10.64 | ||
| 1966 | 165.7 | 62.8 | 58.0 | 115.9 | 10.36 | 10.94 | ||
| 1967 | 221.0 | 65.8 | 54.2 | 103.3 | 10.66 | 11.28 | ||
| 1968 | 204.7 | 62.8 | 47.5 | 97.2 | 10.99 | 11.75 | ||
| 1969 | 185.1 | 58.4 | 52.0 | 94.4 | 11.45 | 12.40 | ||
| 1970 | 143.0 | 54.7 | 58.3 | 107.3 | 12.07 | 13.11 | ||
| 1971 | 130.3 | 61.7 | 58.3 | 115.4 | 12.76 | 13.68 | ||
| 1972 | 149.9 | 69.8 | 55.7 | 128.7 | 13.32 | 14.12 | ||
| 1973 | 296.6 | 140.0 | 97.5 | 266.5 | 13.75 | 15.00 | ||
| 1974 | 541.5 | 179.7 | 132.4 | 254.2 | 14.60 | 16.65 | ||
| 1975 | 363.2 | 149.2 | 119.5 | 201.1 | 16.21 | 18.17 | ||
| 1976 | 254.1 | 133.0 | 112.3 | 216.5 | 17.69 | 19.22 | ||
| 1977 | 272.4 | 103.2 | 95.4 | 261.2 | 18.71 | 20.47 | ||
| 1978 | 368.5 | 127.9 | 100.7 | 242.6 | 19.93 | 22.02 | ||
| 1979 | 334.3 | 160.2 | 115.6 | 264.3 | 21.44 | 24.52 | ||
| 1980 | 410.7 | 168.3 | 125.3 | 296.2 | 23.88 | 27.83 | ||
| 1981 | 459.0 | 154.6 | 130.8 | 288.4 | 27.10 | 30.70 | ||
| 1982 | 272.5 | 132.6 | 109.3 | 244.6 | 29.90 | 32.60 | ||
| 1983 | 256.8 | 137.3 | 136.0 | 281.6 | 31.74 | 33.64 | ||
| 1984 | 232.5 | 140.2 | 135.9 | 282.1 | 32.76 | 35.09 | ||
| 1985 | 196.9 | 128.7 | 112.2 | 224.4 | 34.17 | 36.34 | ||
| 1986 | 186.2 | 118.4 | 87.6 | 208.4 | 35.39 | 37.02 | ||
| 1987 | 214.6 | 112.1 | 75.7 | 215.8 | 36.05 | 38.37 | ||
| 1988 | 277.5 | 140.7 | 106.9 | 303.5 | 37.36 | 39.96 | ||
| 1989 | 299.2 | 161.3 | 111.5 | 275.0 | 38.91 | 41.88 | ||
| 1990 | 270.9 | 129.1 | 109.3 | 246.8 | 40.78 | 44.15 | ||
| 1991 | 293.3 | 126.1 | 107.4 | 239.6 | 42.99 | 46.01 | ||
| 1992 | 268.2 | 145.1 | 104.2 | 235.5 | 44.80 | 47.39 | ||
| 1993 | 235.4 | 134.8 | 102.1 | 255.1 | 46.14 | 48.81 | ||
| 1994 | 267.6 | 138.6 | 107.6 | 251.8 | 47.53 | 50.06 | ||
| 1995 | 321.0 | 167.4 | 123.5 | 259.3 | 48.74 | 51.48 | ||
| 1996 | 338.9 | 187.4 | 165.8 | 304.8 | 50.12 | 53.00 | ||
| 1997 | 303.5 | 143.6 | 117.1 | 295.4 | 51.60 | 54.21 | ||
| 1998 | 304.2 | 111.5 | 102.0 | 243.3 | 52.79 | 55.06 | ||
| 1999 | 248.4 | 96.3 | 90.2 | 201.7 | 53.61 | 56.27 | ||
| 2000 | 202.4 | 98.9 | 88.5 | 211.8 | 54.79 | 58.17 | ||
| 2001 | 172.8 | 107.7 | 89.6 | 195.8 | 56.64 | 59.82 | ||
| 2002 | 191.9 | 130.0 | 99.3 | 212.7 | 58.25 | 60.77 | ||
| 2003 | 197.6 | 138.6 | 105.4 | 264.0 | 59.17 | 62.15 | ||
| 2004 | 237.7 | 144.4 | 111.8 | 306.5 | 60.52 | 63.81 | ||
| 2005 | 286.3 | 135.7 | 98.7 | 274.7 | 62.13 | 65.97 | ||
| 2006 | 304.9 | 159.0 | 121.9 | 268.6 | 64.23 | 68.10 | ||
| 2007 | 326.4 | 238.6 | 163.7 | 383.1 | 66.31 | 70.04 | ||
| 2008 | 650.2 | 271.5 | 223.1 | 521.9 | 68.19 | 72.72 | ||
| 2009 | 555.0 | 186.0 | 165.5 | 423.6 | 70.81 | 72.47 | ||
| 2010 | 488.9 | 229.7 | 185.9 | 447.1 | 70.56 | 74.00 | ||
| 2011 | 543.0 | 285.9 | 291.7 | 537.5 | 72.05 | 75.57 | ||
| 2012 | 563.0 | 295.4 | 298.4 | 595.5 | 73.58 | 77.17 | ||
| 2013 | 505.9 | 276.7 | 259.4 | 551.4 | 75.14 | 78.80 | ||
| 2014 | 422.8 | 245.2 | 192.9 | 484.9 | 76.73 | 80.47 | ||
| 2015 | 386.0 | 206.4 | 169.8 | 392.1 | 78.35 | 82.17 | ||
| 2016 | 396.2 | 176.3 | 159.2 | 405.4 | 80.01 | 83.91 | ||
| 2017 | 398.9 | 178.2 | 154.5 | 393.4 | 81.70 | 85.68 | ||
| 2018 | 420.7 | 203.9 | 164.4 | 394.4 | 83.43 | 87.50 | ||
| 2019 | 418.0 | 211.3 | 170.1 | 368.9 | 85.20 | 89.35 | ||
| 2020 | 496.8 | 227.7 | 165.5 | 406.6 | 87.00 | 91.24 | ||
| 2021 | 458.3 | 281.7 | 259.5 | 583.0 | 88.84 | 93.17 | ||
| 2022 | 436.8 | 381.9 | 318.8 | 675.4 | 90.72 | 94.35 | ||
| 2023 | 553.7 | 257.7 | 252.6 | 597.9 | 91.87 | 97.09 | ||
| 2024 | 476.4 | 321.9 | 241.8 | 587.8 | 94.53 | 100.00 | ||
| 2025 | 406.4 | 243.4 | 203.0 | 412.0 | 97.37 | 102.70 | ||
| 2026 | 100.00 | |||||||
| Note: The annual price data are simple averages based on the monthly data for each year. | ||||||||
| 新US実質C | ||||||||