| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.353 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.484 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.871 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.567 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.426 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.814 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.668 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.009 | 吨/公顷 | 2026-9 |
| 2018/2019 | 1.988 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.244 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.794 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.189 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.12 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.405 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.051 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.211 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.172 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.779 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.594 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.46 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.018 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.152 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.666 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.32 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.234 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.952 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.938 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.89 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.841 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.989 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.872 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.179 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.032 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.831 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.679 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.637 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.784 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.482 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.459 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.561 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.482 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.579 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.573 | 吨/公顷 | 2026-9 |
| 1982/1983 | 0.791 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.285 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.094 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.492 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.438 | 吨/公顷 | 2026-9 |
| 1977/1978 | 0.85 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.227 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.365 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.377 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.266 | 吨/公顷 | 2026-9 |
| 1972/1973 | 0.807 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.209 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.175 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.105 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.227 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.789 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.382 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.02 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.339 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.207 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.094 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.975 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.347 | 吨/公顷 | 2026-9 |