| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 2 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.097 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.375 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.5 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.647 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.237 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.388 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.446 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.692 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.378 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.447 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.121 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.949 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.733 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.771 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.791 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.605 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.944 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.828 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.823 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.417 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.118 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.318 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.5 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.393 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.389 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.214 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.931 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.97 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.746 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.607 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.331 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.372 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.917 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.77 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.429 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.491 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.25 | 吨/公顷 | 2026-9 |
| 1987/1988 | 0.933 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.308 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.25 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.58 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.17 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.085 | 吨/公顷 | 2026-9 |
| 1981/1982 | 0.91 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.185 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.214 | 吨/公顷 | 2026-9 |
| 1978/1979 | 0.565 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.343 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.097 | 吨/公顷 | 2026-9 |
| 1975/1976 | 0.88 | 吨/公顷 | 2026-9 |
| 1974/1975 | 0.98 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.335 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.475 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.289 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.339 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0.943 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.118 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.978 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.069 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.19 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.965 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.583 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.304 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.875 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.563 | 吨/公顷 | 2026-9 |