| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4.444 | 吨/公顷 | 2026-9 |
| 2025/2026 | 5.417 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4.136 | 吨/公顷 | 2026-9 |
| 2023/2024 | 5 | 吨/公顷 | 2026-9 |
| 2022/2023 | 4.248 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.992 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.179 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.261 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.677 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.28 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.521 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.609 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.697 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.318 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.182 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.417 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.244 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.359 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.869 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.845 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.166 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.948 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.011 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.763 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.504 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.152 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.531 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.949 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.896 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.061 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.6 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.339 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.563 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.61 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.311 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.621 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.908 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.403 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.294 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.844 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.254 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.16 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.544 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.656 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.424 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.286 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.48 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.316 | 吨/公顷 | 2026-9 |
| 1978/1979 | 0.906 | 吨/公顷 | 2026-9 |
| 1977/1978 | 0.583 | 吨/公顷 | 2026-9 |
| 1976/1977 | 0.994 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.166 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.017 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.005 | 吨/公顷 | 2026-9 |
| 1971/1972 | 0.888 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.151 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0.993 | 吨/公顷 | 2026-9 |
| 1968/1969 | 0.879 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.649 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0.866 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.134 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.226 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.67 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.13 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.853 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.79 | 吨/公顷 | 2026-9 |