| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 2.32 | 吨/公顷 | 2026-9 |
| 2025/2026 | 1.833 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.222 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2 | 吨/公顷 | 2026-9 |
| 2022/2023 | 1.524 | 吨/公顷 | 2026-9 |
| 2021/2022 | 1.75 | 吨/公顷 | 2026-9 |
| 2020/2021 | 1.931 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2 | 吨/公顷 | 2026-9 |
| 2018/2019 | 1.765 | 吨/公顷 | 2026-9 |
| 2017/2018 | 1.818 | 吨/公顷 | 2026-9 |
| 2016/2017 | 1.798 | 吨/公顷 | 2026-9 |
| 2015/2016 | 1.8 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.423 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.287 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.365 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.622 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.511 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.601 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.332 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.35 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.446 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.34 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.213 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.342 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.48 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.421 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.31 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.111 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.078 | 吨/公顷 | 2026-9 |
| 1997/1998 | 0.889 | 吨/公顷 | 2026-9 |
| 1996/1997 | 0.905 | 吨/公顷 | 2026-9 |
| 1995/1996 | 0.95 | 吨/公顷 | 2026-9 |
| 1994/1995 | 0.874 | 吨/公顷 | 2026-9 |
| 1993/1994 | 0.902 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.012 | 吨/公顷 | 2026-9 |
| 1991/1992 | 0.756 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.003 | 吨/公顷 | 2026-9 |
| 1989/1990 | 0.778 | 吨/公顷 | 2026-9 |
| 1988/1989 | 0.918 | 吨/公顷 | 2026-9 |
| 1987/1988 | 0.885 | 吨/公顷 | 2026-9 |
| 1986/1987 | 0.836 | 吨/公顷 | 2026-9 |
| 1985/1986 | 0.913 | 吨/公顷 | 2026-9 |
| 1984/1985 | 0.955 | 吨/公顷 | 2026-9 |
| 1983/1984 | 0.706 | 吨/公顷 | 2026-9 |
| 1982/1983 | 0.832 | 吨/公顷 | 2026-9 |
| 1981/1982 | 0.756 | 吨/公顷 | 2026-9 |
| 1980/1981 | 0.71 | 吨/公顷 | 2026-9 |
| 1979/1980 | 0.635 | 吨/公顷 | 2026-9 |
| 1978/1979 | 0.608 | 吨/公顷 | 2026-9 |
| 1977/1978 | 0.812 | 吨/公顷 | 2026-9 |
| 1976/1977 | 0.75 | 吨/公顷 | 2026-9 |
| 1975/1976 | 0.6 | 吨/公顷 | 2026-9 |
| 1974/1975 | 0.82 | 吨/公顷 | 2026-9 |
| 1973/1974 | 0.828 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.371 | 吨/公顷 | 2026-9 |
| 1971/1972 | 0.867 | 吨/公顷 | 2026-9 |
| 1970/1971 | 0.703 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0.712 | 吨/公顷 | 2026-9 |
| 1968/1969 | 0.913 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.684 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0.632 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.76 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.676 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.425 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.86 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.808 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.466 | 吨/公顷 | 2026-9 |