| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.25 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.111 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.537 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.333 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.765 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.784 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.388 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.674 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.7 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.966 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.619 | 吨/公顷 | 2026-9 |
| 2015/2016 | 1.449 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.704 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.354 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.333 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.796 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.246 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.264 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.259 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.931 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.514 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.595 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.989 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.885 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.316 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.627 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.989 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.479 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.576 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.733 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.689 | 吨/公顷 | 2026-9 |
| 1995/1996 | 3.081 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.617 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.291 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.155 | 吨/公顷 | 2026-9 |
| 1991/1992 | 0.618 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.819 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.74 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.241 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.985 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.688 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.255 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.774 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.542 | 吨/公顷 | 2026-9 |
| 1982/1983 | 0.895 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.405 | 吨/公顷 | 2026-9 |
| 1980/1981 | 2.525 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.693 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.702 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.286 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.402 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.041 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.081 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.03 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.227 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.584 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.45 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.156 | 吨/公顷 | 2026-9 |
| 1968/1969 | 0.78 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.748 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.136 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.689 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.857 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.702 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.543 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.686 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.021 | 吨/公顷 | 2026-9 |