| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4.5 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.462 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4.929 | 吨/公顷 | 2026-9 |
| 2023/2024 | 4.643 | 吨/公顷 | 2026-9 |
| 2022/2023 | 4.375 | 吨/公顷 | 2026-9 |
| 2021/2022 | 4.4 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.471 | 吨/公顷 | 2026-9 |
| 2019/2020 | 4.515 | 吨/公顷 | 2026-9 |
| 2018/2019 | 4.189 | 吨/公顷 | 2026-9 |
| 2017/2018 | 4.158 | 吨/公顷 | 2026-9 |
| 2016/2017 | 4.348 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.76 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.741 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.636 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.424 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.403 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.593 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.803 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.778 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.482 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.638 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.37 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.517 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.547 | 吨/公顷 | 2026-9 |
| 2002/2003 | 3.857 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.571 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.758 | 吨/公顷 | 2026-9 |
| 1999/2000 | 4.147 | 吨/公顷 | 2026-9 |
| 1998/1999 | 4.593 | 吨/公顷 | 2026-9 |
| 1997/1998 | 4.085 | 吨/公顷 | 2026-9 |
| 1996/1997 | 4.172 | 吨/公顷 | 2026-9 |
| 1995/1996 | 5.026 | 吨/公顷 | 2026-9 |
| 1994/1995 | 4.409 | 吨/公顷 | 2026-9 |
| 1993/1994 | 4.238 | 吨/公顷 | 2026-9 |
| 1992/1993 | 4.039 | 吨/公顷 | 2026-9 |
| 1991/1992 | 4.375 | 吨/公顷 | 2026-9 |
| 1990/1991 | 4.173 | 吨/公顷 | 2026-9 |
| 1989/1990 | 3.889 | 吨/公顷 | 2026-9 |
| 1988/1989 | 4 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3.725 | 吨/公顷 | 2026-9 |
| 1986/1987 | 3.05 | 吨/公顷 | 2026-9 |
| 1985/1986 | 3.375 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.857 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.894 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.882 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.806 | 吨/公顷 | 2026-9 |
| 1980/1981 | 2.311 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.593 | 吨/公顷 | 2026-9 |
| 1978/1979 | 2.592 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.129 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.554 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.358 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.6 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.6 | 吨/公顷 | 2026-9 |
| 1972/1973 | 2.781 | 吨/公顷 | 2026-9 |
| 1971/1972 | 2.571 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.837 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.486 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.456 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.446 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.426 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.359 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.289 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.275 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.25 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.239 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.057 | 吨/公顷 | 2026-9 |