| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 0.726 | 吨/公顷 | 2026-9 |
| 2025/2026 | 0.722 | 吨/公顷 | 2026-9 |
| 2024/2025 | 0.793 | 吨/公顷 | 2026-9 |
| 2023/2024 | 0.806 | 吨/公顷 | 2026-9 |
| 2022/2023 | 0.743 | 吨/公顷 | 2026-9 |
| 2021/2022 | 0.743 | 吨/公顷 | 2026-9 |
| 2020/2021 | 0.686 | 吨/公顷 | 2026-9 |
| 2019/2020 | 0.714 | 吨/公顷 | 2026-9 |
| 2018/2019 | 0.751 | 吨/公顷 | 2026-9 |
| 2017/2018 | 0.743 | 吨/公顷 | 2026-9 |
| 2016/2017 | 0.657 | 吨/公顷 | 2026-9 |
| 2015/2016 | 0.6 | 吨/公顷 | 2026-9 |
| 2014/2015 | 0.638 | 吨/公顷 | 2026-9 |
| 2013/2014 | 0.641 | 吨/公顷 | 2026-9 |
| 2012/2013 | 0.74 | 吨/公顷 | 2026-9 |
| 2011/2012 | 0.681 | 吨/公顷 | 2026-9 |
| 2010/2011 | 0.783 | 吨/公顷 | 2026-9 |
| 2009/2010 | 0.741 | 吨/公顷 | 2026-9 |
| 2008/2009 | 0.746 | 吨/公顷 | 2026-9 |
| 2007/2008 | 0.744 | 吨/公顷 | 2026-9 |
| 2006/2007 | 0.659 | 吨/公顷 | 2026-9 |
| 2005/2006 | 0.74 | 吨/公顷 | 2026-9 |
| 2004/2005 | 0.752 | 吨/公顷 | 2026-9 |
| 2003/2004 | 0.715 | 吨/公顷 | 2026-9 |
| 2002/2003 | 0.691 | 吨/公顷 | 2026-9 |
| 2001/2002 | 0.683 | 吨/公顷 | 2026-9 |
| 2000/2001 | 0.891 | 吨/公顷 | 2026-9 |
| 1999/2000 | 0.749 | 吨/公顷 | 2026-9 |
| 1998/1999 | 0.433 | 吨/公顷 | 2026-9 |
| 1997/1998 | 0.756 | 吨/公顷 | 2026-9 |
| 1996/1997 | 0.762 | 吨/公顷 | 2026-9 |
| 1995/1996 | 0.637 | 吨/公顷 | 2026-9 |
| 1994/1995 | 0.86 | 吨/公顷 | 2026-9 |
| 1993/1994 | 0.63 | 吨/公顷 | 2026-9 |
| 1992/1993 | 0.722 | 吨/公顷 | 2026-9 |
| 1991/1992 | 0.625 | 吨/公顷 | 2026-9 |
| 1990/1991 | 0.645 | 吨/公顷 | 2026-9 |
| 1989/1990 | 0.744 | 吨/公顷 | 2026-9 |
| 1988/1989 | 0.506 | 吨/公顷 | 2026-9 |
| 1987/1988 | 0.555 | 吨/公顷 | 2026-9 |
| 1986/1987 | 0.632 | 吨/公顷 | 2026-9 |
| 1985/1986 | 0.755 | 吨/公顷 | 2026-9 |
| 1984/1985 | 0.556 | 吨/公顷 | 2026-9 |
| 1983/1984 | 0.382 | 吨/公顷 | 2026-9 |
| 1982/1983 | 0.605 | 吨/公顷 | 2026-9 |
| 1981/1982 | 0.593 | 吨/公顷 | 2026-9 |
| 1980/1981 | 0.663 | 吨/公顷 | 2026-9 |
| 1979/1980 | 0.723 | 吨/公顷 | 2026-9 |
| 1978/1979 | 0.688 | 吨/公顷 | 2026-9 |
| 1977/1978 | 0.98 | 吨/公顷 | 2026-9 |
| 1976/1977 | 0.991 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.192 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.101 | 吨/公顷 | 2026-9 |
| 1973/1974 | 0.746 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.037 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.216 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.047 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0.893 | 吨/公顷 | 2026-9 |
| 1968/1969 | 0.907 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.079 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.101 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0 | 吨/公顷 | 2026-9 |