| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 2.231 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.477 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.426 | 吨/公顷 | 2026-9 |
| 2023/2024 | 1.606 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.413 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.411 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.294 | 吨/公顷 | 2026-9 |
| 2019/2020 | 1.767 | 吨/公顷 | 2026-9 |
| 2018/2019 | 1.601 | 吨/公顷 | 2026-9 |
| 2017/2018 | 1.957 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.293 | 吨/公顷 | 2026-9 |
| 2015/2016 | 1.475 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.558 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.885 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.518 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.377 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.699 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.82 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.168 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.709 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.12 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.759 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.82 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.63 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.37 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.629 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.567 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.585 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.519 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.72 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.379 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.177 | 吨/公顷 | 2026-9 |
| 1994/1995 | 0.908 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.236 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.5 | 吨/公顷 | 2026-9 |
| 1991/1992 | 0.759 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.552 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.934 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.796 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.625 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.061 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.267 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.739 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.114 | 吨/公顷 | 2026-9 |
| 1982/1983 | 0.967 | 吨/公顷 | 2026-9 |
| 1981/1982 | 0.955 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.273 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.429 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.6 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.2 | 吨/公顷 | 2026-9 |
| 1975/1976 | 0.818 | 吨/公顷 | 2026-9 |
| 1974/1975 | 0.958 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.615 | 吨/公顷 | 2026-9 |
| 1972/1973 | 0.556 | 吨/公顷 | 2026-9 |
| 1971/1972 | 0.25 | 吨/公顷 | 2026-9 |
| 1970/1971 | 0.222 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0.286 | 吨/公顷 | 2026-9 |
| 1968/1969 | 0.5 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.385 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0.364 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.333 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.2 | 吨/公顷 | 2026-9 |