| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 2.64 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.8 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.471 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.784 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.605 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.53 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.583 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.531 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.259 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.011 | 吨/公顷 | 2026-9 |
| 2016/2017 | 1.95 | 吨/公顷 | 2026-9 |
| 2015/2016 | 1.923 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.729 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.724 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.871 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.646 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.887 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.698 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.738 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.544 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.499 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.561 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.583 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.633 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.489 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.324 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.45 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.45 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.429 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.515 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.504 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.545 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.494 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.507 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.203 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.525 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.189 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.261 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.321 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.131 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.1 | 吨/公顷 | 2026-9 |
| 1985/1986 | 0.975 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.181 | 吨/公顷 | 2026-9 |
| 1983/1984 | 0.43 | 吨/公顷 | 2026-9 |
| 1982/1983 | 0.928 | 吨/公顷 | 2026-9 |
| 1981/1982 | 0.859 | 吨/公顷 | 2026-9 |
| 1980/1981 | 0.868 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.062 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.063 | 吨/公顷 | 2026-9 |
| 1977/1978 | 0.938 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.048 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.072 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.144 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.052 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.018 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.116 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.105 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.106 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.107 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.163 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.426 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.208 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.856 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.906 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.928 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.966 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1 | 吨/公顷 | 2026-9 |