| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 2.5 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.5 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.5 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.5 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.5 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.5 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.5 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.667 | 吨/公顷 | 2026-9 |
| 2014/2015 | 4 | 吨/公顷 | 2026-9 |
| 2013/2014 | 4.333 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.25 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.667 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.917 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.077 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.188 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.424 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.17 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.235 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.18 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.324 | 吨/公顷 | 2026-9 |
| 2002/2003 | 3.186 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.029 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.206 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3.317 | 吨/公顷 | 2026-9 |
| 1998/1999 | 3 | 吨/公顷 | 2026-9 |
| 1997/1998 | 3.204 | 吨/公顷 | 2026-9 |
| 1996/1997 | 3.296 | 吨/公顷 | 2026-9 |
| 1995/1996 | 3.061 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.964 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3.134 | 吨/公顷 | 2026-9 |
| 1992/1993 | 3.069 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.872 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.846 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.908 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.658 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.718 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.8 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.853 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.555 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.28 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2.162 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.303 | 吨/公顷 | 2026-9 |
| 1980/1981 | 2.087 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.318 | 吨/公顷 | 2026-9 |
| 1978/1979 | 2.185 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.097 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.993 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.519 | 吨/公顷 | 2026-9 |
| 1974/1975 | 2.504 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.1 | 吨/公顷 | 2026-9 |
| 1972/1973 | 2.218 | 吨/公顷 | 2026-9 |
| 1971/1972 | 2.198 | 吨/公顷 | 2026-9 |
| 1970/1971 | 2.143 | 吨/公顷 | 2026-9 |
| 1969/1970 | 2 | 吨/公顷 | 2026-9 |
| 1968/1969 | 2.222 | 吨/公顷 | 2026-9 |
| 1967/1968 | 2.25 | 吨/公顷 | 2026-9 |
| 1966/1967 | 2 | 吨/公顷 | 2026-9 |
| 1965/1966 | 2.333 | 吨/公顷 | 2026-9 |
| 1964/1965 | 2.333 | 吨/公顷 | 2026-9 |
| 1963/1964 | 2.4 | 吨/公顷 | 2026-9 |
| 1962/1963 | 2 | 吨/公顷 | 2026-9 |
| 1961/1962 | 2 | 吨/公顷 | 2026-9 |