| 年度 | 数值 | 单位 | 发布时间 |
| 2026/2027 | 11.205 | 吨/公顷 | 2026-9 |
| 2025/2026 | 11.707 | 吨/公顷 | 2026-9 |
| 2024/2025 | 11.255 | 吨/公顷 | 2026-9 |
| 2023/2024 | 11.131 | 吨/公顷 | 2026-9 |
| 2022/2023 | 10.886 | 吨/公顷 | 2026-9 |
| 2021/2022 | 11.091 | 吨/公顷 | 2026-9 |
| 2020/2021 | 10.761 | 吨/公顷 | 2026-9 |
| 2019/2020 | 10.515 | 吨/公顷 | 2026-9 |
| 2018/2019 | 11.075 | 吨/公顷 | 2026-9 |
| 2017/2018 | 11.084 | 吨/公顷 | 2026-9 |
| 2016/2017 | 10.961 | 吨/公顷 | 2026-9 |
| 2015/2016 | 10.572 | 吨/公顷 | 2026-9 |
| 2014/2015 | 10.733 | 吨/公顷 | 2026-9 |
| 2013/2014 | 9.926 | 吨/公顷 | 2026-9 |
| 2012/2013 | 7.727 | 吨/公顷 | 2026-9 |
| 2011/2012 | 9.215 | 吨/公顷 | 2026-9 |
| 2010/2011 | 9.576 | 吨/公顷 | 2026-9 |
| 2009/2010 | 10.318 | 吨/公顷 | 2026-9 |
| 2008/2009 | 9.621 | 吨/公顷 | 2026-9 |
| 2007/2008 | 9.458 | 吨/公顷 | 2026-9 |
| 2006/2007 | 9.358 | 吨/公顷 | 2026-9 |
| 2005/2006 | 9.285 | 吨/公顷 | 2026-9 |
| 2004/2005 | 10.064 | 吨/公顷 | 2026-9 |
| 2003/2004 | 8.925 | 吨/公顷 | 2026-9 |
| 2002/2003 | 8.118 | 吨/公顷 | 2026-9 |
| 2001/2002 | 8.673 | 吨/公顷 | 2026-9 |
| 2000/2001 | 8.591 | 吨/公顷 | 2026-9 |
| 1999/2000 | 8.398 | 吨/公顷 | 2026-9 |
| 1998/1999 | 8.438 | 吨/公顷 | 2026-9 |
| 1997/1998 | 7.952 | 吨/公顷 | 2026-9 |
| 1996/1997 | 7.977 | 吨/公顷 | 2026-9 |
| 1995/1996 | 7.123 | 吨/公顷 | 2026-9 |
| 1994/1995 | 8.7 | 吨/公顷 | 2026-9 |
| 1993/1994 | 6.321 | 吨/公顷 | 2026-9 |
| 1992/1993 | 8.253 | 吨/公顷 | 2026-9 |
| 1991/1992 | 6.817 | 吨/公顷 | 2026-9 |
| 1990/1991 | 7.438 | 吨/公顷 | 2026-9 |
| 1989/1990 | 7.298 | 吨/公顷 | 2026-9 |
| 1988/1989 | 5.311 | 吨/公顷 | 2026-9 |
| 1987/1988 | 7.522 | 吨/公顷 | 2026-9 |
| 1986/1987 | 7.493 | 吨/公顷 | 2026-9 |
| 1985/1986 | 7.407 | 吨/公顷 | 2026-9 |
| 1984/1985 | 6.698 | 吨/公顷 | 2026-9 |
| 1983/1984 | 5.09 | 吨/公顷 | 2026-9 |
| 1982/1983 | 7.108 | 吨/公顷 | 2026-9 |
| 1981/1982 | 6.838 | 吨/公顷 | 2026-9 |
| 1980/1981 | 5.712 | 吨/公顷 | 2026-9 |
| 1979/1980 | 6.873 | 吨/公顷 | 2026-9 |
| 1978/1979 | 6.342 | 吨/公顷 | 2026-9 |
| 1977/1978 | 5.702 | 吨/公顷 | 2026-9 |
| 1976/1977 | 5.521 | 吨/公顷 | 2026-9 |
| 1975/1976 | 5.421 | 吨/公顷 | 2026-9 |
| 1974/1975 | 4.512 | 吨/公顷 | 2026-9 |
| 1973/1974 | 5.728 | 吨/公顷 | 2026-9 |
| 1972/1973 | 6.09 | 吨/公顷 | 2026-9 |
| 1971/1972 | 5.527 | 吨/公顷 | 2026-9 |
| 1970/1971 | 4.544 | 吨/公顷 | 2026-9 |
| 1969/1970 | 5.391 | 吨/公顷 | 2026-9 |
| 1968/1969 | 4.989 | 吨/公顷 | 2026-9 |
| 1967/1968 | 5.026 | 吨/公顷 | 2026-9 |
| 1966/1967 | 4.589 | 吨/公顷 | 2026-9 |
| 1965/1966 | 4.649 | 吨/公顷 | 2026-9 |
| 1964/1965 | 3.95 | 吨/公顷 | 2026-9 |
| 1963/1964 | 4.26 | 吨/公顷 | 2026-9 |
| 1962/1963 | 4.062 | 吨/公顷 | 2026-9 |
| 1961/1962 | 3.918 | 吨/公顷 | 2026-9 |
| 1960/1961 | 3.434 | 吨/公顷 | 2026-9 |