| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4.267 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.174 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4.024 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.987 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.22 | 吨/公顷 | 2026-9 |
| 2021/2022 | 4.119 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.431 | 吨/公顷 | 2026-9 |
| 2019/2020 | 4.633 | 吨/公顷 | 2026-9 |
| 2018/2019 | 4.668 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.577 | 吨/公顷 | 2026-9 |
| 2016/2017 | 4.662 | 吨/公顷 | 2026-9 |
| 2015/2016 | 4.494 | 吨/公顷 | 2026-9 |
| 2014/2015 | 4.701 | 吨/公顷 | 2026-9 |
| 2013/2014 | 4.399 | 吨/公顷 | 2026-9 |
| 2012/2013 | 4.085 | 吨/公顷 | 2026-9 |
| 2011/2012 | 4.652 | 吨/公顷 | 2026-9 |
| 2010/2011 | 4.401 | 吨/公顷 | 2026-9 |
| 2009/2010 | 4.817 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.854 | 吨/公顷 | 2026-9 |
| 2007/2008 | 4.744 | 吨/公顷 | 2026-9 |
| 2006/2007 | 4.705 | 吨/公顷 | 2026-9 |
| 2005/2006 | 4.675 | 吨/公顷 | 2026-9 |
| 2004/2005 | 5.186 | 吨/公顷 | 2026-9 |
| 2003/2004 | 4.593 | 吨/公顷 | 2026-9 |
| 2002/2003 | 5.113 | 吨/公顷 | 2026-9 |
| 2001/2002 | 5.363 | 吨/公顷 | 2026-9 |
| 2000/2001 | 4.746 | 吨/公顷 | 2026-9 |
| 1999/2000 | 4.644 | 吨/公顷 | 2026-9 |
| 1998/1999 | 4.384 | 吨/公顷 | 2026-9 |
| 1997/1998 | 4.811 | 吨/公顷 | 2026-9 |
| 1996/1997 | 3.686 | 吨/公顷 | 2026-9 |
| 1995/1996 | 3.876 | 吨/公顷 | 2026-9 |
| 1994/1995 | 3.457 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3.509 | 吨/公顷 | 2026-9 |
| 1992/1993 | 3.956 | 吨/公顷 | 2026-9 |
| 1991/1992 | 3.622 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.331 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.812 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.333 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.818 | 吨/公顷 | 2026-9 |
| 1985/1986 | 3 | 吨/公顷 | 2026-9 |
| 1984/1985 | 3.155 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.911 | 吨/公顷 | 2026-9 |
| 1982/1983 | 3.016 | 吨/公顷 | 2026-9 |
| 1981/1982 | 3.187 | 吨/公顷 | 2026-9 |
| 1980/1981 | 3.381 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.314 | 吨/公顷 | 2026-9 |
| 1978/1979 | 3.07 | 吨/公顷 | 2026-9 |
| 1977/1978 | 3.194 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.777 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.759 | 吨/公顷 | 2026-9 |
| 1974/1975 | 2.492 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.539 | 吨/公顷 | 2026-9 |
| 1972/1973 | 2.159 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.663 | 吨/公顷 | 2026-9 |
| 1970/1971 | 2.085 | 吨/公顷 | 2026-9 |
| 1969/1970 | 2.041 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.908 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.752 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.806 | 吨/公顷 | 2026-9 |
| 1965/1966 | 2.524 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.458 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.75 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.659 | 吨/公顷 | 2026-9 |
| 1961/1962 | 2.158 | 吨/公顷 | 2026-9 |
| 1960/1961 | 2.264 | 吨/公顷 | 2026-9 |