| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.173 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.156 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.084 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.046 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.027 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.797 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.915 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.835 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.694 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.663 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.441 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.278 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.717 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.521 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.518 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.359 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.172 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.392 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.983 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.056 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.938 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.956 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.976 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.004 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.159 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.839 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.996 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.94 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.957 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.931 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.833 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.944 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.669 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.649 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.79 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.705 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.5 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.593 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.38 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.362 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.433 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.242 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.323 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.259 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.153 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.269 | 吨/公顷 | 2026-9 |
| 1980/1981 | 0.917 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.172 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.155 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.046 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.139 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.087 | 吨/公顷 | 2026-9 |
| 1974/1975 | 0.895 | 吨/公顷 | 2026-9 |
| 1973/1974 | 0.971 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.05 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.09 | 吨/公顷 | 2026-9 |
| 1970/1971 | 0.982 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0.879 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.038 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.831 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0.902 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.94 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.741 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.809 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.959 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.876 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.801 | 吨/公顷 | 2026-9 |