| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 3.803 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.797 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.743 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.432 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.543 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.256 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.273 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.158 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.243 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.26 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.206 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.182 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.903 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.917 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.833 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.837 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.386 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.255 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.702 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.648 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.492 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.345 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.182 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.984 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.967 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.067 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.031 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.966 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.859 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.699 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.67 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.831 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.853 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.862 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.852 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.852 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.825 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.794 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.641 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.775 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.714 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.695 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.57 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.526 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.459 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.39 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.332 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.224 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.228 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.187 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.129 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.075 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.044 | 吨/公顷 | 2026-9 |
| 1971/1972 | 0.992 | 吨/公顷 | 2026-9 |
| 1970/1971 | 0.961 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0.942 | 吨/公顷 | 2026-9 |
| 1968/1969 | 0.983 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.93 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0.984 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.943 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.034 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.922 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.021 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.927 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.932 | 吨/公顷 | 2026-9 |