| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 1.5 | 吨/公顷 | 2026-9 |
| 2025/2026 | 1.5 | 吨/公顷 | 2026-9 |
| 2024/2025 | 1.778 | 吨/公顷 | 2026-9 |
| 2023/2024 | 1.9 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.898 | 吨/公顷 | 2026-9 |
| 2021/2022 | 1.78 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.294 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.098 | 吨/公顷 | 2026-9 |
| 2018/2019 | 1.34 | 吨/公顷 | 2026-9 |
| 2017/2018 | 1.385 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.818 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.078 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.032 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.781 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.794 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.75 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.078 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.152 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.484 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.015 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.792 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.169 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.521 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.941 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.79 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.266 | 吨/公顷 | 2026-9 |
| 1999/2000 | 0.453 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.802 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.398 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.284 | 吨/公顷 | 2026-9 |
| 1995/1996 | 3.025 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.321 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.713 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.886 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.143 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.198 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.196 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.398 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3.137 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.878 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.844 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.857 | 吨/公顷 | 2026-9 |
| 1983/1984 | 3.722 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.633 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.756 | 吨/公顷 | 2026-9 |
| 1980/1981 | 2.582 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.565 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.943 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.056 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.907 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.337 | 吨/公顷 | 2026-9 |
| 1974/1975 | 2.446 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.396 | 吨/公顷 | 2026-9 |
| 1972/1973 | 2.762 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.77 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.168 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.381 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.716 | 吨/公顷 | 2026-9 |
| 1967/1968 | 2.362 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.329 | 吨/公顷 | 2026-9 |
| 1965/1966 | 2.083 | 吨/公顷 | 2026-9 |
| 1964/1965 | 2.268 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.058 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.083 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.048 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.695 | 吨/公顷 | 2026-9 |