| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 6.111 | 吨/公顷 | 2026-9 |
| 2025/2026 | 6.15 | 吨/公顷 | 2026-9 |
| 2024/2025 | 7.429 | 吨/公顷 | 2026-9 |
| 2023/2024 | 4.933 | 吨/公顷 | 2026-9 |
| 2022/2023 | 6 | 吨/公顷 | 2026-9 |
| 2021/2022 | 5.818 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.118 | 吨/公顷 | 2026-9 |
| 2019/2020 | 5.294 | 吨/公顷 | 2026-9 |
| 2018/2019 | 5.65 | 吨/公顷 | 2026-9 |
| 2017/2018 | 4.973 | 吨/公顷 | 2026-9 |
| 2016/2017 | 5.467 | 吨/公顷 | 2026-9 |
| 2015/2016 | 4.495 | 吨/公顷 | 2026-9 |
| 2014/2015 | 4.762 | 吨/公顷 | 2026-9 |
| 2013/2014 | 4.952 | 吨/公顷 | 2026-9 |
| 2012/2013 | 4 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.952 | 吨/公顷 | 2026-9 |
| 2010/2011 | 4.242 | 吨/公顷 | 2026-9 |
| 2009/2010 | 4.747 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.379 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.401 | 吨/公顷 | 2026-9 |
| 2006/2007 | 4 | 吨/公顷 | 2026-9 |
| 2005/2006 | 4.651 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.683 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.075 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.546 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.384 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.343 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.333 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.949 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.289 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.601 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.012 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.465 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.119 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.763 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.652 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.65 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.458 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.333 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.28 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.325 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.125 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.135 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.329 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.375 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.459 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.558 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.558 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.286 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.422 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.37 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.326 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.369 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.337 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.136 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.158 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.385 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.195 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.301 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.099 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.296 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.288 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.25 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.305 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.196 | 吨/公顷 | 2026-9 |