| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 6.038 | 吨/公顷 | 2026-9 |
| 2025/2026 | 6.188 | 吨/公顷 | 2026-9 |
| 2024/2025 | 5.976 | 吨/公顷 | 2026-9 |
| 2023/2024 | 5.917 | 吨/公顷 | 2026-9 |
| 2022/2023 | 5.751 | 吨/公顷 | 2026-9 |
| 2021/2022 | 5.879 | 吨/公顷 | 2026-9 |
| 2020/2021 | 5.65 | 吨/公顷 | 2026-9 |
| 2019/2020 | 5.797 | 吨/公顷 | 2026-9 |
| 2018/2019 | 5.869 | 吨/公顷 | 2026-9 |
| 2017/2018 | 5.588 | 吨/公顷 | 2026-9 |
| 2016/2017 | 5.781 | 吨/公顷 | 2026-9 |
| 2015/2016 | 5.446 | 吨/公顷 | 2026-9 |
| 2014/2015 | 5.618 | 吨/公顷 | 2026-9 |
| 2013/2014 | 5.468 | 吨/公顷 | 2026-9 |
| 2012/2013 | 4.908 | 吨/公顷 | 2026-9 |
| 2011/2012 | 5.178 | 吨/公顷 | 2026-9 |
| 2010/2011 | 5.105 | 吨/公顷 | 2026-9 |
| 2009/2010 | 5.255 | 吨/公顷 | 2026-9 |
| 2008/2009 | 5.067 | 吨/公顷 | 2026-9 |
| 2007/2008 | 4.971 | 吨/公顷 | 2026-9 |
| 2006/2007 | 4.793 | 吨/公顷 | 2026-9 |
| 2005/2006 | 4.833 | 吨/公顷 | 2026-9 |
| 2004/2005 | 4.939 | 吨/公顷 | 2026-9 |
| 2003/2004 | 4.44 | 吨/公顷 | 2026-9 |
| 2002/2003 | 4.393 | 吨/公顷 | 2026-9 |
| 2001/2002 | 4.395 | 吨/公顷 | 2026-9 |
| 2000/2001 | 4.318 | 吨/公顷 | 2026-9 |
| 1999/2000 | 4.381 | 吨/公顷 | 2026-9 |
| 1998/1999 | 4.361 | 吨/公顷 | 2026-9 |
| 1997/1998 | 4.215 | 吨/公顷 | 2026-9 |
| 1996/1997 | 4.192 | 吨/公顷 | 2026-9 |
| 1995/1996 | 3.827 | 吨/公顷 | 2026-9 |
| 1994/1995 | 4.14 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3.641 | 吨/公顷 | 2026-9 |
| 1992/1993 | 4.025 | 吨/公顷 | 2026-9 |
| 1991/1992 | 3.721 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.736 | 吨/公顷 | 2026-9 |
| 1989/1990 | 3.627 | 吨/公顷 | 2026-9 |
| 1988/1989 | 3.176 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3.557 | 吨/公顷 | 2026-9 |
| 1986/1987 | 3.608 | 吨/公顷 | 2026-9 |
| 1985/1986 | 3.66 | 吨/公顷 | 2026-9 |
| 1984/1985 | 3.556 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.911 | 吨/公顷 | 2026-9 |
| 1982/1983 | 3.512 | 吨/公顷 | 2026-9 |
| 1981/1982 | 3.32 | 吨/公顷 | 2026-9 |
| 1980/1981 | 3.116 | 吨/公顷 | 2026-9 |
| 1979/1980 | 3.344 | 吨/公顷 | 2026-9 |
| 1978/1979 | 3.111 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.906 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.866 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.781 | 吨/公顷 | 2026-9 |
| 1974/1975 | 2.525 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.797 | 吨/公顷 | 2026-9 |
| 1972/1973 | 2.695 | 吨/公顷 | 2026-9 |
| 1971/1972 | 2.654 | 吨/公顷 | 2026-9 |
| 1970/1971 | 2.382 | 吨/公顷 | 2026-9 |
| 1969/1970 | 2.456 | 吨/公顷 | 2026-9 |
| 1968/1969 | 2.321 | 吨/公顷 | 2026-9 |
| 1967/1968 | 2.376 | 吨/公顷 | 2026-9 |
| 1966/1967 | 2.28 | 吨/公顷 | 2026-9 |
| 1965/1966 | 2.158 | 吨/公顷 | 2026-9 |
| 1964/1965 | 2.032 | 吨/公顷 | 2026-9 |
| 1963/1964 | 2.022 | 吨/公顷 | 2026-9 |
| 1962/1963 | 2.032 | 吨/公顷 | 2026-9 |
| 1961/1962 | 2.02 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.953 | 吨/公顷 | 2026-9 |