| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 8.235 | 吨/公顷 | 2026-9 |
| 2025/2026 | 7.882 | 吨/公顷 | 2026-9 |
| 2024/2025 | 7.609 | 吨/公顷 | 2026-9 |
| 2023/2024 | 7.579 | 吨/公顷 | 2026-9 |
| 2022/2023 | 8 | 吨/公顷 | 2026-9 |
| 2021/2022 | 8 | 吨/公顷 | 2026-9 |
| 2020/2021 | 8 | 吨/公顷 | 2026-9 |
| 2019/2020 | 8 | 吨/公顷 | 2026-9 |
| 2018/2019 | 8 | 吨/公顷 | 2026-9 |
| 2017/2018 | 8 | 吨/公顷 | 2026-9 |
| 2016/2017 | 8 | 吨/公顷 | 2026-9 |
| 2015/2016 | 8 | 吨/公顷 | 2026-9 |
| 2014/2015 | 8 | 吨/公顷 | 2026-9 |
| 2013/2014 | 8.123 | 吨/公顷 | 2026-9 |
| 2012/2013 | 7.733 | 吨/公顷 | 2026-9 |
| 2011/2012 | 7.857 | 吨/公顷 | 2026-9 |
| 2010/2011 | 7.647 | 吨/公顷 | 2026-9 |
| 2009/2010 | 7.476 | 吨/公顷 | 2026-9 |
| 2008/2009 | 8.508 | 吨/公顷 | 2026-9 |
| 2007/2008 | 8.575 | 吨/公顷 | 2026-9 |
| 2006/2007 | 8.576 | 吨/公顷 | 2026-9 |
| 2005/2006 | 8.193 | 吨/公顷 | 2026-9 |
| 2004/2005 | 8.249 | 吨/公顷 | 2026-9 |
| 2003/2004 | 8.542 | 吨/公顷 | 2026-9 |
| 2002/2003 | 8.571 | 吨/公顷 | 2026-9 |
| 2001/2002 | 8 | 吨/公顷 | 2026-9 |
| 2000/2001 | 7.994 | 吨/公顷 | 2026-9 |
| 1999/2000 | 7.778 | 吨/公顷 | 2026-9 |
| 1998/1999 | 7.605 | 吨/公顷 | 2026-9 |
| 1997/1998 | 7.18 | 吨/公顷 | 2026-9 |
| 1996/1997 | 6.65 | 吨/公顷 | 2026-9 |
| 1995/1996 | 5.935 | 吨/公顷 | 2026-9 |
| 1994/1995 | 6.377 | 吨/公顷 | 2026-9 |
| 1993/1994 | 6.141 | 吨/公顷 | 2026-9 |
| 1992/1993 | 6 | 吨/公顷 | 2026-9 |
| 1991/1992 | 6.394 | 吨/公顷 | 2026-9 |
| 1990/1991 | 5.474 | 吨/公顷 | 2026-9 |
| 1989/1990 | 5.367 | 吨/公顷 | 2026-9 |
| 1988/1989 | 5.196 | 吨/公顷 | 2026-9 |
| 1987/1988 | 4.966 | 吨/公顷 | 2026-9 |
| 1986/1987 | 4.727 | 吨/公顷 | 2026-9 |
| 1985/1986 | 4.601 | 吨/公顷 | 2026-9 |
| 1984/1985 | 4.461 | 吨/公顷 | 2026-9 |
| 1983/1984 | 4.642 | 吨/公顷 | 2026-9 |
| 1982/1983 | 4.117 | 吨/公顷 | 2026-9 |
| 1981/1982 | 4.035 | 吨/公顷 | 2026-9 |
| 1980/1981 | 4.034 | 吨/公顷 | 2026-9 |
| 1979/1980 | 3.659 | 吨/公顷 | 2026-9 |
| 1978/1979 | 3.911 | 吨/公顷 | 2026-9 |
| 1977/1978 | 3.676 | 吨/公顷 | 2026-9 |
| 1976/1977 | 3.667 | 吨/公顷 | 2026-9 |
| 1975/1976 | 3.621 | 吨/公顷 | 2026-9 |
| 1974/1975 | 3.593 | 吨/公顷 | 2026-9 |
| 1973/1974 | 3.788 | 吨/公顷 | 2026-9 |
| 1972/1973 | 3.662 | 吨/公顷 | 2026-9 |
| 1971/1972 | 3.665 | 吨/公顷 | 2026-9 |
| 1970/1971 | 3.787 | 吨/公顷 | 2026-9 |
| 1969/1970 | 3.783 | 吨/公顷 | 2026-9 |
| 1968/1969 | 3.512 | 吨/公顷 | 2026-9 |
| 1967/1968 | 3.451 | 吨/公顷 | 2026-9 |
| 1966/1967 | 3.589 | 吨/公顷 | 2026-9 |
| 1965/1966 | 4.07 | 吨/公顷 | 2026-9 |
| 1964/1965 | 2.775 | 吨/公顷 | 2026-9 |
| 1963/1964 | 2.582 | 吨/公顷 | 2026-9 |
| 1962/1963 | 2.606 | 吨/公顷 | 2026-9 |
| 1961/1962 | 2.139 | 吨/公顷 | 2026-9 |
| 1960/1961 | 2.211 | 吨/公顷 | 2026-9 |