| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4.737 | 吨/公顷 | 2026-9 |
| 2025/2026 | 5 | 吨/公顷 | 2026-9 |
| 2024/2025 | 5.237 | 吨/公顷 | 2026-9 |
| 2023/2024 | 5.388 | 吨/公顷 | 2026-9 |
| 2022/2023 | 4.625 | 吨/公顷 | 2026-9 |
| 2021/2022 | 4.699 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.646 | 吨/公顷 | 2026-9 |
| 2019/2020 | 4.918 | 吨/公顷 | 2026-9 |
| 2018/2019 | 5.133 | 吨/公顷 | 2026-9 |
| 2017/2018 | 5.287 | 吨/公顷 | 2026-9 |
| 2016/2017 | 5.204 | 吨/公顷 | 2026-9 |
| 2015/2016 | 4.935 | 吨/公顷 | 2026-9 |
| 2014/2015 | 4.678 | 吨/公顷 | 2026-9 |
| 2013/2014 | 4.485 | 吨/公顷 | 2026-9 |
| 2012/2013 | 5.354 | 吨/公顷 | 2026-9 |
| 2011/2012 | 4.465 | 吨/公顷 | 2026-9 |
| 2010/2011 | 5.321 | 吨/公顷 | 2026-9 |
| 2009/2010 | 5.013 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.406 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.918 | 吨/公顷 | 2026-9 |
| 2006/2007 | 4.171 | 吨/公顷 | 2026-9 |
| 2005/2006 | 4.833 | 吨/公顷 | 2026-9 |
| 2004/2005 | 4.636 | 吨/公顷 | 2026-9 |
| 2003/2004 | 4.382 | 吨/公顷 | 2026-9 |
| 2002/2003 | 4.648 | 吨/公顷 | 2026-9 |
| 2001/2002 | 4.473 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.833 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.787 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.544 | 吨/公顷 | 2026-9 |
| 1997/1998 | 3.333 | 吨/公顷 | 2026-9 |
| 1996/1997 | 3.231 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.469 | 吨/公顷 | 2026-9 |
| 1994/1995 | 3.108 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3.035 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.971 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.859 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.688 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.628 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.391 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.574 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.286 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.938 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.698 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.718 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.638 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.88 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.899 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.24 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.653 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.188 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.394 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.546 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.434 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.321 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.493 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.521 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.173 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.495 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.691 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.621 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.171 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.229 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.175 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.988 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.229 | 吨/公顷 | 2026-9 |