| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4.324 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.374 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4.395 | 吨/公顷 | 2026-9 |
| 2023/2024 | 4.323 | 吨/公顷 | 2026-9 |
| 2022/2023 | 4.258 | 吨/公顷 | 2026-9 |
| 2021/2022 | 4.197 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.076 | 吨/公顷 | 2026-9 |
| 2019/2020 | 4.084 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.957 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.864 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.741 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.601 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.587 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.625 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.693 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.59 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.359 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.188 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.267 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.303 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.196 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.154 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.976 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.118 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.616 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.118 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.851 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.979 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.882 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.85 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.789 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.73 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.888 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.866 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.617 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.627 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.611 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.618 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.534 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.198 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.223 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.328 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.126 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.186 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.847 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.964 | 吨/公顷 | 2026-9 |
| 1980/1981 | 2.006 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.613 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.995 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.961 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.634 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.854 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.569 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.728 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.606 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.713 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.687 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.611 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.615 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.55 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.297 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.295 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.619 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.551 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.397 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.543 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.524 | 吨/公顷 | 2026-9 |