| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 7 | 吨/公顷 | 2026-9 |
| 2025/2026 | 7.367 | 吨/公顷 | 2026-9 |
| 2024/2025 | 7.681 | 吨/公顷 | 2026-9 |
| 2023/2024 | 7.58 | 吨/公顷 | 2026-9 |
| 2022/2023 | 7.904 | 吨/公顷 | 2026-9 |
| 2021/2022 | 8.113 | 吨/公顷 | 2026-9 |
| 2020/2021 | 6.652 | 吨/公顷 | 2026-9 |
| 2019/2020 | 7.053 | 吨/公顷 | 2026-9 |
| 2018/2019 | 5.542 | 吨/公顷 | 2026-9 |
| 2017/2018 | 7.302 | 吨/公顷 | 2026-9 |
| 2016/2017 | 6.412 | 吨/公顷 | 2026-9 |
| 2015/2016 | 7.547 | 吨/公顷 | 2026-9 |
| 2014/2015 | 8.25 | 吨/公顷 | 2026-9 |
| 2013/2014 | 7.5 | 吨/公顷 | 2026-9 |
| 2012/2013 | 6.418 | 吨/公顷 | 2026-9 |
| 2011/2012 | 6.443 | 吨/公顷 | 2026-9 |
| 2010/2011 | 5.758 | 吨/公顷 | 2026-9 |
| 2009/2010 | 5.559 | 吨/公顷 | 2026-9 |
| 2008/2009 | 5.769 | 吨/公顷 | 2026-9 |
| 2007/2008 | 5.691 | 吨/公顷 | 2026-9 |
| 2006/2007 | 4.898 | 吨/公顷 | 2026-9 |
| 2005/2006 | 5 | 吨/公顷 | 2026-9 |
| 2004/2005 | 4.333 | 吨/公顷 | 2026-9 |
| 2003/2004 | 5.6 | 吨/公顷 | 2026-9 |
| 2002/2003 | 6.32 | 吨/公顷 | 2026-9 |
| 2001/2002 | 5.506 | 吨/公顷 | 2026-9 |
| 2000/2001 | 4.662 | 吨/公顷 | 2026-9 |
| 1999/2000 | 4.951 | 吨/公顷 | 2026-9 |
| 1998/1999 | 5.121 | 吨/公顷 | 2026-9 |
| 1997/1998 | 4.754 | 吨/公顷 | 2026-9 |
| 1996/1997 | 5.94 | 吨/公顷 | 2026-9 |
| 1995/1996 | 5.603 | 吨/公顷 | 2026-9 |
| 1994/1995 | 4.84 | 吨/公顷 | 2026-9 |
| 1993/1994 | 4.591 | 吨/公顷 | 2026-9 |
| 1992/1993 | 4.426 | 吨/公顷 | 2026-9 |
| 1991/1992 | 5.385 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.942 | 吨/公顷 | 2026-9 |
| 1989/1990 | 4.365 | 吨/公顷 | 2026-9 |
| 1988/1989 | 4.185 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3.746 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.633 | 吨/公顷 | 2026-9 |
| 1985/1986 | 3.04 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.825 | 吨/公顷 | 2026-9 |
| 1983/1984 | 3.5 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2.574 | 吨/公顷 | 2026-9 |
| 1981/1982 | 3.475 | 吨/公顷 | 2026-9 |
| 1980/1981 | 3.035 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.796 | 吨/公顷 | 2026-9 |
| 1978/1979 | 3.38 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.889 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.717 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.787 | 吨/公顷 | 2026-9 |
| 1974/1975 | 2.608 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.304 | 吨/公顷 | 2026-9 |
| 1972/1973 | 2.356 | 吨/公顷 | 2026-9 |
| 1971/1972 | 2.744 | 吨/公顷 | 2026-9 |
| 1970/1971 | 2.465 | 吨/公顷 | 2026-9 |
| 1969/1970 | 2.4 | 吨/公顷 | 2026-9 |
| 1968/1969 | 2.258 | 吨/公顷 | 2026-9 |
| 1967/1968 | 2.235 | 吨/公顷 | 2026-9 |
| 1966/1967 | 2.317 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.563 | 吨/公顷 | 2026-9 |
| 1964/1965 | 2.035 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.966 | 吨/公顷 | 2026-9 |
| 1962/1963 | 2.224 | 吨/公顷 | 2026-9 |
| 1961/1962 | 2.188 | 吨/公顷 | 2026-9 |
| 1960/1961 | 2.12 | 吨/公顷 | 2026-9 |