| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 6.233 | 吨/公顷 | 2026-9 |
| 2025/2026 | 6.165 | 吨/公顷 | 2026-9 |
| 2024/2025 | 6.12 | 吨/公顷 | 2026-9 |
| 2023/2024 | 6.121 | 吨/公顷 | 2026-9 |
| 2022/2023 | 6.099 | 吨/公顷 | 2026-9 |
| 2021/2022 | 6.01 | 吨/公顷 | 2026-9 |
| 2020/2021 | 5.997 | 吨/公顷 | 2026-9 |
| 2019/2020 | 5.875 | 吨/公顷 | 2026-9 |
| 2018/2019 | 5.802 | 吨/公顷 | 2026-9 |
| 2017/2018 | 5.788 | 吨/公顷 | 2026-9 |
| 2016/2017 | 5.683 | 吨/公顷 | 2026-9 |
| 2015/2016 | 5.729 | 吨/公顷 | 2026-9 |
| 2014/2015 | 5.761 | 吨/公顷 | 2026-9 |
| 2013/2014 | 5.786 | 吨/公顷 | 2026-9 |
| 2012/2013 | 5.603 | 吨/公顷 | 2026-9 |
| 2011/2012 | 5.613 | 吨/公顷 | 2026-9 |
| 2010/2011 | 5.547 | 吨/公顷 | 2026-9 |
| 2009/2010 | 5.393 | 吨/公顷 | 2026-9 |
| 2008/2009 | 5.305 | 吨/公顷 | 2026-9 |
| 2007/2008 | 4.983 | 吨/公顷 | 2026-9 |
| 2006/2007 | 4.822 | 吨/公顷 | 2026-9 |
| 2005/2006 | 4.717 | 吨/公顷 | 2026-9 |
| 2004/2005 | 4.62 | 吨/公顷 | 2026-9 |
| 2003/2004 | 4.48 | 吨/公顷 | 2026-9 |
| 2002/2003 | 4.371 | 吨/公顷 | 2026-9 |
| 2001/2002 | 4.266 | 吨/公顷 | 2026-9 |
| 2000/2001 | 4.14 | 吨/公顷 | 2026-9 |
| 1999/2000 | 4.139 | 吨/公顷 | 2026-9 |
| 1998/1999 | 4.022 | 吨/公顷 | 2026-9 |
| 1997/1998 | 3.922 | 吨/公顷 | 2026-9 |
| 1996/1997 | 3.875 | 吨/公顷 | 2026-9 |
| 1995/1996 | 3.761 | 吨/公顷 | 2026-9 |
| 1994/1995 | 3.618 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3.661 | 吨/公顷 | 2026-9 |
| 1992/1993 | 3.349 | 吨/公顷 | 2026-9 |
| 1991/1992 | 3.417 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.991 | 吨/公顷 | 2026-9 |
| 1989/1990 | 3.197 | 吨/公顷 | 2026-9 |
| 1988/1989 | 3.051 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3.04 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.625 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.739 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.8 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.718 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2.669 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.314 | 吨/公顷 | 2026-9 |
| 1980/1981 | 2.166 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.962 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.953 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.012 | 吨/公顷 | 2026-9 |
| 1976/1977 | 2.272 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.133 | 吨/公顷 | 2026-9 |
| 1974/1975 | 2.156 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.212 | 吨/公顷 | 2026-9 |
| 1972/1973 | 2.194 | 吨/公顷 | 2026-9 |
| 1971/1972 | 2.127 | 吨/公顷 | 2026-9 |
| 1970/1971 | 2.141 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.969 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.758 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.903 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.829 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.961 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.946 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.963 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.994 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.944 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.992 | 吨/公顷 | 2026-9 |