| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4.752 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4.807 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4.816 | 吨/公顷 | 2026-9 |
| 2023/2024 | 4.724 | 吨/公顷 | 2026-9 |
| 2022/2023 | 4.701 | 吨/公顷 | 2026-9 |
| 2021/2022 | 4.628 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.514 | 吨/公顷 | 2026-9 |
| 2019/2020 | 4.546 | 吨/公顷 | 2026-9 |
| 2018/2019 | 4.449 | 吨/公顷 | 2026-9 |
| 2017/2018 | 4.345 | 吨/公顷 | 2026-9 |
| 2016/2017 | 4.415 | 吨/公顷 | 2026-9 |
| 2015/2016 | 4.399 | 吨/公顷 | 2026-9 |
| 2014/2015 | 4.39 | 吨/公顷 | 2026-9 |
| 2013/2014 | 4.391 | 吨/公顷 | 2026-9 |
| 2012/2013 | 4.355 | 吨/公顷 | 2026-9 |
| 2011/2012 | 4.314 | 吨/公顷 | 2026-9 |
| 2010/2011 | 4.065 | 吨/公顷 | 2026-9 |
| 2009/2010 | 4.009 | 吨/公顷 | 2026-9 |
| 2008/2009 | 4.12 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.892 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.884 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.887 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.491 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.599 | 吨/公顷 | 2026-9 |
| 2002/2003 | 3.506 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.419 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.457 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3.231 | 吨/公顷 | 2026-9 |
| 1998/1999 | 3.074 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.757 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.72 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.669 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.545 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.712 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.708 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.674 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.567 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.557 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.283 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.24 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.178 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.169 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.163 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.063 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2.016 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.957 | 吨/公顷 | 2026-9 |
| 1980/1981 | 2.022 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.901 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.908 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.942 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.786 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.855 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.731 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.81 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.573 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.611 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.688 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.748 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.748 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.696 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.585 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.685 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.709 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.771 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.532 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.702 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.64 | 吨/公顷 | 2026-9 |