| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 2.927 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.948 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.865 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.833 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.887 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.876 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.957 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.983 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.075 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.983 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.895 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.734 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.045 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.028 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.019 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.901 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.901 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.883 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.915 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.886 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.72 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.724 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.698 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.551 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.487 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.384 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.408 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.21 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.752 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.625 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.055 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.005 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.906 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.352 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.343 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.122 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.135 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.203 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.809 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.866 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.875 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.012 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.777 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.675 | 吨/公顷 | 2026-9 |
| 1982/1983 | 4.83 | 吨/公顷 | 2026-9 |
| 1981/1982 | 5.186 | 吨/公顷 | 2026-9 |
| 1980/1981 | 4.767 | 吨/公顷 | 2026-9 |
| 1979/1980 | 5.236 | 吨/公顷 | 2026-9 |
| 1978/1979 | 5.087 | 吨/公顷 | 2026-9 |
| 1977/1978 | 5.051 | 吨/公顷 | 2026-9 |
| 1976/1977 | 5.577 | 吨/公顷 | 2026-9 |
| 1975/1976 | 5.858 | 吨/公顷 | 2026-9 |
| 1974/1975 | 20.359 | 吨/公顷 | 2026-9 |
| 1973/1974 | 23.255 | 吨/公顷 | 2026-9 |
| 1972/1973 | 22.11 | 吨/公顷 | 2026-9 |
| 1971/1972 | 20.58 | 吨/公顷 | 2026-9 |
| 1970/1971 | 20.232 | 吨/公顷 | 2026-9 |
| 1969/1970 | 16.96 | 吨/公顷 | 2026-9 |
| 1968/1969 | 16.989 | 吨/公顷 | 2026-9 |
| 1967/1968 | 15.1 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0 | 吨/公顷 | 2026-9 |