| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 5 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.316 | 吨/公顷 | 2026-9 |
| 2024/2025 | 5.577 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.059 | 吨/公顷 | 2026-9 |
| 2022/2023 | 1.714 | 吨/公顷 | 2026-9 |
| 2021/2022 | 4.421 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.074 | 吨/公顷 | 2026-9 |
| 2019/2020 | 4.714 | 吨/公顷 | 2026-9 |
| 2018/2019 | 12.167 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.815 | 吨/公顷 | 2026-9 |
| 2016/2017 | 4.756 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.662 | 吨/公顷 | 2026-9 |
| 2014/2015 | 4.037 | 吨/公顷 | 2026-9 |
| 2013/2014 | 4.04 | 吨/公顷 | 2026-9 |
| 2012/2013 | 4.265 | 吨/公顷 | 2026-9 |
| 2011/2012 | 4.276 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.968 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.943 | 吨/公顷 | 2026-9 |
| 2008/2009 | 4.765 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.974 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.791 | 吨/公顷 | 2026-9 |
| 2005/2006 | 4.167 | 吨/公顷 | 2026-9 |
| 2004/2005 | 4.474 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.889 | 吨/公顷 | 2026-9 |
| 2002/2003 | 4 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.263 | 吨/公顷 | 2026-9 |
| 2000/2001 | 4.086 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.667 | 吨/公顷 | 2026-9 |
| 1998/1999 | 3.533 | 吨/公顷 | 2026-9 |
| 1997/1998 | 3.033 | 吨/公顷 | 2026-9 |
| 1996/1997 | 3.333 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.788 | 吨/公顷 | 2026-9 |
| 1994/1995 | 3.159 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.539 | 吨/公顷 | 2026-9 |
| 1992/1993 | 3.167 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.837 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.172 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.36 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.875 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.881 | 吨/公顷 | 2026-9 |
| 1985/1986 | 3.103 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.532 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.071 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.196 | 吨/公顷 | 2026-9 |
| 1980/1981 | 2.595 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.68 | 吨/公顷 | 2026-9 |
| 1978/1979 | 0.769 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.067 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.705 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.103 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.426 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.93 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.991 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.357 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.125 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0.796 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.244 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.79 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0.405 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.5 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.405 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.548 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.667 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.333 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.333 | 吨/公顷 | 2026-9 |