| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 2.714 | 吨/公顷 | 2026-9 |
| 2025/2026 | 0.958 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.143 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.026 | 吨/公顷 | 2026-9 |
| 2022/2023 | 1.311 | 吨/公顷 | 2026-9 |
| 2021/2022 | 1.246 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.108 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.292 | 吨/公顷 | 2026-9 |
| 2018/2019 | 1.115 | 吨/公顷 | 2026-9 |
| 2017/2018 | 1.582 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.182 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.414 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.923 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.581 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.313 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.406 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.667 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.4 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.439 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.423 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.471 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.452 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.478 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.736 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.844 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.818 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.849 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.679 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.389 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.721 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.52 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.545 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.384 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.617 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.206 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.686 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.544 | 吨/公顷 | 2026-9 |
| 1989/1990 | 0.823 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.879 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.4 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.37 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.355 | 吨/公顷 | 2026-9 |
| 1984/1985 | 0.965 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.25 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.273 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.663 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.545 | 吨/公顷 | 2026-9 |
| 1979/1980 | 0.914 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.062 | 吨/公顷 | 2026-9 |
| 1977/1978 | 0.797 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.126 | 吨/公顷 | 2026-9 |
| 1975/1976 | 0.916 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.061 | 吨/公顷 | 2026-9 |
| 1973/1974 | 0.539 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.335 | 吨/公顷 | 2026-9 |
| 1971/1972 | 0.676 | 吨/公顷 | 2026-9 |
| 1970/1971 | 0.466 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0.822 | 吨/公顷 | 2026-9 |
| 1968/1969 | 0.673 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.873 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0.655 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.86 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.745 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.763 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.97 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.576 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.358 | 吨/公顷 | 2026-9 |