| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 8.661 | 吨/公顷 | 2026-9 |
| 2025/2026 | 9.394 | 吨/公顷 | 2026-9 |
| 2024/2025 | 8.556 | 吨/公顷 | 2026-9 |
| 2023/2024 | 8.869 | 吨/公顷 | 2026-9 |
| 2022/2023 | 9.51 | 吨/公顷 | 2026-9 |
| 2021/2022 | 9.212 | 吨/公顷 | 2026-9 |
| 2020/2021 | 9.417 | 吨/公顷 | 2026-9 |
| 2019/2020 | 8.636 | 吨/公顷 | 2026-9 |
| 2018/2019 | 8.276 | 吨/公顷 | 2026-9 |
| 2017/2018 | 7.698 | 吨/公顷 | 2026-9 |
| 2016/2017 | 8.546 | 吨/公顷 | 2026-9 |
| 2015/2016 | 8.099 | 吨/公顷 | 2026-9 |
| 2014/2015 | 8.671 | 吨/公顷 | 2026-9 |
| 2013/2014 | 8.078 | 吨/公顷 | 2026-9 |
| 2012/2013 | 7.861 | 吨/公顷 | 2026-9 |
| 2011/2012 | 7.867 | 吨/公顷 | 2026-9 |
| 2010/2011 | 8.383 | 吨/公顷 | 2026-9 |
| 2009/2010 | 7.093 | 吨/公顷 | 2026-9 |
| 2008/2009 | 7.994 | 吨/公顷 | 2026-9 |
| 2007/2008 | 7.917 | 吨/公顷 | 2026-9 |
| 2006/2007 | 7.903 | 吨/公顷 | 2026-9 |
| 2005/2006 | 7.294 | 吨/公顷 | 2026-9 |
| 2004/2005 | 6.598 | 吨/公顷 | 2026-9 |
| 2003/2004 | 6.754 | 吨/公顷 | 2026-9 |
| 2002/2003 | 5.922 | 吨/公顷 | 2026-9 |
| 2001/2002 | 5.869 | 吨/公顷 | 2026-9 |
| 2000/2001 | 6.688 | 吨/公顷 | 2026-9 |
| 1999/2000 | 6.397 | 吨/公顷 | 2026-9 |
| 1998/1999 | 6.389 | 吨/公顷 | 2026-9 |
| 1997/1998 | 5.082 | 吨/公顷 | 2026-9 |
| 1996/1997 | 6.66 | 吨/公顷 | 2026-9 |
| 1995/1996 | 6.623 | 吨/公顷 | 2026-9 |
| 1994/1995 | 5.507 | 吨/公顷 | 2026-9 |
| 1993/1994 | 4.672 | 吨/公顷 | 2026-9 |
| 1992/1993 | 5.224 | 吨/公顷 | 2026-9 |
| 1991/1992 | 4.874 | 吨/公顷 | 2026-9 |
| 1990/1991 | 4.736 | 吨/公顷 | 2026-9 |
| 1989/1990 | 4.386 | 吨/公顷 | 2026-9 |
| 1988/1989 | 5.3 | 吨/公顷 | 2026-9 |
| 1987/1988 | 4.704 | 吨/公顷 | 2026-9 |
| 1986/1987 | 4.148 | 吨/公顷 | 2026-9 |
| 1985/1986 | 4.721 | 吨/公顷 | 2026-9 |
| 1984/1985 | 5.059 | 吨/公顷 | 2026-9 |
| 1983/1984 | 4.304 | 吨/公顷 | 2026-9 |
| 1982/1983 | 4.471 | 吨/公顷 | 2026-9 |
| 1981/1982 | 6.147 | 吨/公顷 | 2026-9 |
| 1980/1981 | 5.403 | 吨/公顷 | 2026-9 |
| 1979/1980 | 4.299 | 吨/公顷 | 2026-9 |
| 1978/1979 | 3.797 | 吨/公顷 | 2026-9 |
| 1977/1978 | 3.983 | 吨/公顷 | 2026-9 |
| 1976/1977 | 4 | 吨/公顷 | 2026-9 |
| 1975/1976 | 4.173 | 吨/公顷 | 2026-9 |
| 1974/1975 | 4 | 吨/公顷 | 2026-9 |
| 1973/1974 | 3.674 | 吨/公顷 | 2026-9 |
| 1972/1973 | 3.914 | 吨/公顷 | 2026-9 |
| 1971/1972 | 4.129 | 吨/公顷 | 2026-9 |
| 1970/1971 | 3.936 | 吨/公顷 | 2026-9 |
| 1969/1970 | 3.861 | 吨/公顷 | 2026-9 |
| 1968/1969 | 3.941 | 吨/公顷 | 2026-9 |
| 1967/1968 | 3.355 | 吨/公顷 | 2026-9 |
| 1966/1967 | 3.412 | 吨/公顷 | 2026-9 |
| 1965/1966 | 2.625 | 吨/公顷 | 2026-9 |
| 1964/1965 | 3.214 | 吨/公顷 | 2026-9 |
| 1963/1964 | 2.238 | 吨/公顷 | 2026-9 |
| 1962/1963 | 3.667 | 吨/公顷 | 2026-9 |
| 1961/1962 | 3.389 | 吨/公顷 | 2026-9 |
| 1960/1961 | 3.375 | 吨/公顷 | 2026-9 |