| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 6.053 | 吨/公顷 | 2026-9 |
| 2025/2026 | 6 | 吨/公顷 | 2026-9 |
| 2024/2025 | 6.272 | 吨/公顷 | 2026-9 |
| 2023/2024 | 6.005 | 吨/公顷 | 2026-9 |
| 2022/2023 | 5.945 | 吨/公顷 | 2026-9 |
| 2021/2022 | 5.888 | 吨/公顷 | 2026-9 |
| 2020/2021 | 5.991 | 吨/公顷 | 2026-9 |
| 2019/2020 | 6.005 | 吨/公顷 | 2026-9 |
| 2018/2019 | 6.278 | 吨/公顷 | 2026-9 |
| 2017/2018 | 6.225 | 吨/公顷 | 2026-9 |
| 2016/2017 | 5.996 | 吨/公顷 | 2026-9 |
| 2015/2016 | 6.077 | 吨/公顷 | 2026-9 |
| 2014/2015 | 5.635 | 吨/公顷 | 2026-9 |
| 2013/2014 | 5.326 | 吨/公顷 | 2026-9 |
| 2012/2013 | 5.807 | 吨/公顷 | 2026-9 |
| 2011/2012 | 4.951 | 吨/公顷 | 2026-9 |
| 2010/2011 | 5.816 | 吨/公顷 | 2026-9 |
| 2009/2010 | 5.773 | 吨/公顷 | 2026-9 |
| 2008/2009 | 4.075 | 吨/公顷 | 2026-9 |
| 2007/2008 | 4.568 | 吨/公顷 | 2026-9 |
| 2006/2007 | 4.763 | 吨/公顷 | 2026-9 |
| 2005/2006 | 4.457 | 吨/公顷 | 2026-9 |
| 2004/2005 | 4.41 | 吨/公顷 | 2026-9 |
| 2003/2004 | 4.576 | 吨/公顷 | 2026-9 |
| 2002/2003 | 4.32 | 吨/公顷 | 2026-9 |
| 2001/2002 | 4.272 | 吨/公顷 | 2026-9 |
| 2000/2001 | 4.3 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3.809 | 吨/公顷 | 2026-9 |
| 1998/1999 | 3.531 | 吨/公顷 | 2026-9 |
| 1997/1998 | 4.38 | 吨/公顷 | 2026-9 |
| 1996/1997 | 3.92 | 吨/公顷 | 2026-9 |
| 1995/1996 | 3.325 | 吨/公顷 | 2026-9 |
| 1994/1995 | 3.518 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3.511 | 吨/公顷 | 2026-9 |
| 1992/1993 | 3.347 | 吨/公顷 | 2026-9 |
| 1991/1992 | 3.377 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.41 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.947 | 吨/公顷 | 2026-9 |
| 1988/1989 | 3.27 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3.005 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.768 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.858 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.302 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.098 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.632 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.588 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.769 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.774 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.54 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.941 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.241 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.462 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.242 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.399 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.264 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.882 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.766 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.634 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.743 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.676 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.726 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.535 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.55 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.513 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.261 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.341 | 吨/公顷 | 2026-9 |