| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 7.255 | 吨/公顷 | 2026-9 |
| 2025/2026 | 6.985 | 吨/公顷 | 2026-9 |
| 2024/2025 | 7.232 | 吨/公顷 | 2026-9 |
| 2023/2024 | 6.584 | 吨/公顷 | 2026-9 |
| 2022/2023 | 6.778 | 吨/公顷 | 2026-9 |
| 2021/2022 | 6.669 | 吨/公顷 | 2026-9 |
| 2020/2021 | 7.008 | 吨/公顷 | 2026-9 |
| 2019/2020 | 6.713 | 吨/公顷 | 2026-9 |
| 2018/2019 | 6.156 | 吨/公顷 | 2026-9 |
| 2017/2018 | 6.118 | 吨/公顷 | 2026-9 |
| 2016/2017 | 6.223 | 吨/公顷 | 2026-9 |
| 2015/2016 | 5.275 | 吨/公顷 | 2026-9 |
| 2014/2015 | 5.424 | 吨/公顷 | 2026-9 |
| 2013/2014 | 5.086 | 吨/公顷 | 2026-9 |
| 2012/2013 | 4.945 | 吨/公顷 | 2026-9 |
| 2011/2012 | 4.78 | 吨/公顷 | 2026-9 |
| 2010/2011 | 4.827 | 吨/公顷 | 2026-9 |
| 2009/2010 | 4.217 | 吨/公顷 | 2026-9 |
| 2008/2009 | 4.332 | 吨/公顷 | 2026-9 |
| 2007/2008 | 4.195 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.814 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.865 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.374 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.432 | 吨/公顷 | 2026-9 |
| 2002/2003 | 3.254 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.3 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.245 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3.126 | 吨/公顷 | 2026-9 |
| 1998/1999 | 3.016 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.757 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.666 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.599 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.649 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.395 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.258 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.189 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.364 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.907 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.073 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.98 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.769 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.758 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.819 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.682 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.529 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.535 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.416 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.49 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.4 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.439 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.482 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.417 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.333 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.453 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.383 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.272 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.132 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.335 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.384 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.492 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.583 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.449 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.641 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.517 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.542 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.659 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.699 | 吨/公顷 | 2026-9 |