| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.952 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.557 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.683 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.491 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.99 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.516 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.141 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.614 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.546 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.374 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.989 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.532 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.553 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.284 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.506 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.9 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.337 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.88 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.824 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.055 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.622 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.522 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.229 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.824 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.542 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.987 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.722 | 吨/公顷 | 2026-9 |
| 1999/2000 | 0.892 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.92 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.379 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.386 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.4 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.292 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.054 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.92 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.259 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.382 | 吨/公顷 | 2026-9 |
| 1989/1990 | 3 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.713 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.8 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.187 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.535 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.989 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.924 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.594 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.536 | 吨/公顷 | 2026-9 |
| 1980/1981 | 0.882 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.318 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.378 | 吨/公顷 | 2026-9 |
| 1977/1978 | 0.989 | 吨/公顷 | 2026-9 |
| 1976/1977 | 0.634 | 吨/公顷 | 2026-9 |
| 1975/1976 | 0.617 | 吨/公顷 | 2026-9 |
| 1974/1975 | 0.676 | 吨/公顷 | 2026-9 |
| 1973/1974 | 0.478 | 吨/公顷 | 2026-9 |
| 1972/1973 | 0.55 | 吨/公顷 | 2026-9 |
| 1971/1972 | 0.542 | 吨/公顷 | 2026-9 |
| 1970/1971 | 0.441 | 吨/公顷 | 2026-9 |
| 1969/1970 | 0.328 | 吨/公顷 | 2026-9 |
| 1968/1969 | 0.578 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.654 | 吨/公顷 | 2026-9 |
| 1966/1967 | 0.613 | 吨/公顷 | 2026-9 |
| 1965/1966 | 0.514 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.797 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.529 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.694 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.621 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.49 | 吨/公顷 | 2026-9 |