| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 2.429 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.429 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.429 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.357 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.267 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.286 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.414 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.429 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.286 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.41 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.673 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.258 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.073 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.288 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.301 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.706 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.243 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.15 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.143 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.387 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.256 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.36 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.415 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.375 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.375 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.477 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.578 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.6 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.643 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.893 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.269 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.362 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.26 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.806 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.667 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.095 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.309 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.429 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.939 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.933 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.8 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.8 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.8 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.882 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2.364 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.5 | 吨/公顷 | 2026-9 |
| 1980/1981 | 2.667 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.638 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.687 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.048 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.79 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.296 | 吨/公顷 | 2026-9 |
| 1974/1975 | 0.6 | 吨/公顷 | 2026-9 |
| 1973/1974 | 0.786 | 吨/公顷 | 2026-9 |
| 1972/1973 | 0.714 | 吨/公顷 | 2026-9 |
| 1971/1972 | 0.5 | 吨/公顷 | 2026-9 |
| 1970/1971 | 0.5 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0.5 | 吨/公顷 | 2026-9 |
| 1968/1969 | 0.2 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.2 | 吨/公顷 | 2026-9 |
| 1966/1967 | 2 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1 | 吨/公顷 | 2026-9 |