| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4.6 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.6 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4.6 | 吨/公顷 | 2026-9 |
| 2023/2024 | 4.6 | 吨/公顷 | 2026-9 |
| 2022/2023 | 4.6 | 吨/公顷 | 2026-9 |
| 2021/2022 | 4.565 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.233 | 吨/公顷 | 2026-9 |
| 2019/2020 | 4.625 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.073 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.6 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.654 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.542 | 吨/公顷 | 2026-9 |
| 2014/2015 | 4.652 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.944 | 吨/公顷 | 2026-9 |
| 2012/2013 | 4 | 吨/公顷 | 2026-9 |
| 2011/2012 | 4.125 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.962 | 吨/公顷 | 2026-9 |
| 2009/2010 | 4.364 | 吨/公顷 | 2026-9 |
| 2008/2009 | 4.529 | 吨/公顷 | 2026-9 |
| 2007/2008 | 4.442 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.673 | 吨/公顷 | 2026-9 |
| 2005/2006 | 4.714 | 吨/公顷 | 2026-9 |
| 2004/2005 | 4.232 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.621 | 吨/公顷 | 2026-9 |
| 2002/2003 | 3.805 | 吨/公顷 | 2026-9 |
| 2001/2002 | 4.222 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.358 | 吨/公顷 | 2026-9 |
| 1999/2000 | 4.364 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.892 | 吨/公顷 | 2026-9 |
| 1997/1998 | 3.855 | 吨/公顷 | 2026-9 |
| 1996/1997 | 4.337 | 吨/公顷 | 2026-9 |
| 1995/1996 | 4.478 | 吨/公顷 | 2026-9 |
| 1994/1995 | 3.812 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.632 | 吨/公顷 | 2026-9 |
| 1992/1993 | 4.359 | 吨/公顷 | 2026-9 |
| 1991/1992 | 3.819 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.6 | 吨/公顷 | 2026-9 |
| 1989/1990 | 3.994 | 吨/公顷 | 2026-9 |
| 1988/1989 | 4 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.505 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.384 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.409 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.379 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.531 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2.363 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.433 | 吨/公顷 | 2026-9 |
| 1980/1981 | 2.45 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.641 | 吨/公顷 | 2026-9 |
| 1978/1979 | 3.188 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.433 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.578 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.474 | 吨/公顷 | 2026-9 |
| 1974/1975 | 2.391 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.972 | 吨/公顷 | 2026-9 |
| 1972/1973 | 2.167 | 吨/公顷 | 2026-9 |
| 1971/1972 | 2.254 | 吨/公顷 | 2026-9 |
| 1970/1971 | 2.23 | 吨/公顷 | 2026-9 |
| 1969/1970 | 2.18 | 吨/公顷 | 2026-9 |
| 1968/1969 | 2.192 | 吨/公顷 | 2026-9 |
| 1967/1968 | 2.127 | 吨/公顷 | 2026-9 |
| 1966/1967 | 2.1 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.764 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.625 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.039 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.656 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.844 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.732 | 吨/公顷 | 2026-9 |