| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 1.194 | 吨/公顷 | 2026-9 |
| 2025/2026 | 1.227 | 吨/公顷 | 2026-9 |
| 2024/2025 | 1.266 | 吨/公顷 | 2026-9 |
| 2023/2024 | 0.949 | 吨/公顷 | 2026-9 |
| 2022/2023 | 4.418 | 吨/公顷 | 2026-9 |
| 2021/2022 | 5.766 | 吨/公顷 | 2026-9 |
| 2020/2021 | 5.122 | 吨/公顷 | 2026-9 |
| 2019/2020 | 5.5 | 吨/公顷 | 2026-9 |
| 2018/2019 | 5.591 | 吨/公顷 | 2026-9 |
| 2017/2018 | 5.74 | 吨/公顷 | 2026-9 |
| 2016/2017 | 4.358 | 吨/公顷 | 2026-9 |
| 2015/2016 | 5.462 | 吨/公顷 | 2026-9 |
| 2014/2015 | 4.214 | 吨/公顷 | 2026-9 |
| 2013/2014 | 5.616 | 吨/公顷 | 2026-9 |
| 2012/2013 | 4.377 | 吨/公顷 | 2026-9 |
| 2011/2012 | 7.293 | 吨/公顷 | 2026-9 |
| 2010/2011 | 6.802 | 吨/公顷 | 2026-9 |
| 2009/2010 | 6.619 | 吨/公顷 | 2026-9 |
| 2008/2009 | 6.262 | 吨/公顷 | 2026-9 |
| 2007/2008 | 6.336 | 吨/公顷 | 2026-9 |
| 2006/2007 | 6.422 | 吨/公顷 | 2026-9 |
| 2005/2006 | 5.947 | 吨/公顷 | 2026-9 |
| 2004/2005 | 6.644 | 吨/公顷 | 2026-9 |
| 2003/2004 | 6.898 | 吨/公顷 | 2026-9 |
| 2002/2003 | 5.487 | 吨/公顷 | 2026-9 |
| 2001/2002 | 5.74 | 吨/公顷 | 2026-9 |
| 2000/2001 | 5.212 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.404 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.527 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.533 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.312 | 吨/公顷 | 2026-9 |
| 1995/1996 | 0.726 | 吨/公顷 | 2026-9 |
| 1994/1995 | 0.887 | 吨/公顷 | 2026-9 |
| 1993/1994 | 0.868 | 吨/公顷 | 2026-9 |
| 1992/1993 | 0.896 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.097 | 吨/公顷 | 2026-9 |
| 1990/1991 | 0.234 | 吨/公顷 | 2026-9 |
| 1989/1990 | 0.283 | 吨/公顷 | 2026-9 |
| 1988/1989 | 0.241 | 吨/公顷 | 2026-9 |
| 1987/1988 | 0.307 | 吨/公顷 | 2026-9 |
| 1986/1987 | 0.244 | 吨/公顷 | 2026-9 |
| 1985/1986 | 0.257 | 吨/公顷 | 2026-9 |
| 1984/1985 | 0.358 | 吨/公顷 | 2026-9 |
| 1983/1984 | 0.367 | 吨/公顷 | 2026-9 |
| 1982/1983 | 0.503 | 吨/公顷 | 2026-9 |
| 1981/1982 | 0.446 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.813 | 吨/公顷 | 2026-9 |
| 1979/1980 | 0 | 吨/公顷 | 2026-9 |
| 1978/1979 | 5.586 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.139 | 吨/公顷 | 2026-9 |
| 1976/1977 | 0.333 | 吨/公顷 | 2026-9 |
| 1975/1976 | 0.455 | 吨/公顷 | 2026-9 |
| 1974/1975 | 0.347 | 吨/公顷 | 2026-9 |
| 1973/1974 | 0.363 | 吨/公顷 | 2026-9 |
| 1972/1973 | 0.645 | 吨/公顷 | 2026-9 |
| 1971/1972 | 0.968 | 吨/公顷 | 2026-9 |
| 1970/1971 | 0.902 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0.8 | 吨/公顷 | 2026-9 |
| 1968/1969 | 0.967 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.91 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0.364 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.343 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.279 | 吨/公顷 | 2026-9 |