| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 5.875 | 吨/公顷 | 2026-9 |
| 2025/2026 | 5.875 | 吨/公顷 | 2026-9 |
| 2024/2025 | 5.875 | 吨/公顷 | 2026-9 |
| 2023/2024 | 5.875 | 吨/公顷 | 2026-9 |
| 2022/2023 | 5.813 | 吨/公顷 | 2026-9 |
| 2021/2022 | 5.5 | 吨/公顷 | 2026-9 |
| 2020/2021 | 5.75 | 吨/公顷 | 2026-9 |
| 2019/2020 | 5.067 | 吨/公顷 | 2026-9 |
| 2018/2019 | 5.2 | 吨/公顷 | 2026-9 |
| 2017/2018 | 4.867 | 吨/公顷 | 2026-9 |
| 2016/2017 | 5 | 吨/公顷 | 2026-9 |
| 2015/2016 | 5.2 | 吨/公顷 | 2026-9 |
| 2014/2015 | 5.125 | 吨/公顷 | 2026-9 |
| 2013/2014 | 5 | 吨/公顷 | 2026-9 |
| 2012/2013 | 4.882 | 吨/公顷 | 2026-9 |
| 2011/2012 | 4.625 | 吨/公顷 | 2026-9 |
| 2010/2011 | 4.625 | 吨/公顷 | 2026-9 |
| 2009/2010 | 5.133 | 吨/公顷 | 2026-9 |
| 2008/2009 | 5.167 | 吨/公顷 | 2026-9 |
| 2007/2008 | 4.941 | 吨/公顷 | 2026-9 |
| 2006/2007 | 4.643 | 吨/公顷 | 2026-9 |
| 2005/2006 | 4.867 | 吨/公顷 | 2026-9 |
| 2004/2005 | 4.333 | 吨/公顷 | 2026-9 |
| 2003/2004 | 4.118 | 吨/公顷 | 2026-9 |
| 2002/2003 | 4.294 | 吨/公顷 | 2026-9 |
| 2001/2002 | 4.071 | 吨/公顷 | 2026-9 |
| 2000/2001 | 4 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3.95 | 吨/公顷 | 2026-9 |
| 1998/1999 | 3.81 | 吨/公顷 | 2026-9 |
| 1997/1998 | 4.143 | 吨/公顷 | 2026-9 |
| 1996/1997 | 4 | 吨/公顷 | 2026-9 |
| 1995/1996 | 3.889 | 吨/公顷 | 2026-9 |
| 1994/1995 | 4.046 | 吨/公顷 | 2026-9 |
| 1993/1994 | 4.1 | 吨/公顷 | 2026-9 |
| 1992/1993 | 4.381 | 吨/公顷 | 2026-9 |
| 1991/1992 | 3.409 | 吨/公顷 | 2026-9 |
| 1990/1991 | 4.615 | 吨/公顷 | 2026-9 |
| 1989/1990 | 4.84 | 吨/公顷 | 2026-9 |
| 1988/1989 | 4.818 | 吨/公顷 | 2026-9 |
| 1987/1988 | 4.885 | 吨/公顷 | 2026-9 |
| 1986/1987 | 4.708 | 吨/公顷 | 2026-9 |
| 1985/1986 | 5.077 | 吨/公顷 | 2026-9 |
| 1984/1985 | 4.433 | 吨/公顷 | 2026-9 |
| 1983/1984 | 3.607 | 吨/公顷 | 2026-9 |
| 1982/1983 | 4.179 | 吨/公顷 | 2026-9 |
| 1981/1982 | 4.394 | 吨/公顷 | 2026-9 |
| 1980/1981 | 4.4 | 吨/公顷 | 2026-9 |
| 1979/1980 | 4.656 | 吨/公顷 | 2026-9 |
| 1978/1979 | 3.226 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.767 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.333 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.688 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.677 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.694 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.543 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.6 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.447 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.432 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.5 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.2 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0.81 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.816 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.814 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.645 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.692 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.667 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.609 | 吨/公顷 | 2026-9 |