| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 5.975 | 吨/公顷 | 2026-9 |
| 2025/2026 | 5.94 | 吨/公顷 | 2026-9 |
| 2024/2025 | 5.94 | 吨/公顷 | 2026-9 |
| 2023/2024 | 5.781 | 吨/公顷 | 2026-9 |
| 2022/2023 | 5.856 | 吨/公顷 | 2026-9 |
| 2021/2022 | 5.811 | 吨/公顷 | 2026-9 |
| 2020/2021 | 5.742 | 吨/公顷 | 2026-9 |
| 2019/2020 | 5.631 | 吨/公顷 | 2026-9 |
| 2018/2019 | 5.417 | 吨/公顷 | 2026-9 |
| 2017/2018 | 5.484 | 吨/公顷 | 2026-9 |
| 2016/2017 | 5.4 | 吨/公顷 | 2026-9 |
| 2015/2016 | 5.396 | 吨/公顷 | 2026-9 |
| 2014/2015 | 5.246 | 吨/公顷 | 2026-9 |
| 2013/2014 | 5.059 | 吨/公顷 | 2026-9 |
| 2012/2013 | 4.989 | 吨/公顷 | 2026-9 |
| 2011/2012 | 4.838 | 吨/公顷 | 2026-9 |
| 2010/2011 | 4.75 | 吨/公顷 | 2026-9 |
| 2009/2010 | 4.741 | 吨/公顷 | 2026-9 |
| 2008/2009 | 4.763 | 吨/公顷 | 2026-9 |
| 2007/2008 | 4.608 | 吨/公顷 | 2026-9 |
| 2006/2007 | 4.594 | 吨/公顷 | 2026-9 |
| 2005/2006 | 4.275 | 吨/公顷 | 2026-9 |
| 2004/2005 | 4.252 | 吨/公顷 | 2026-9 |
| 2003/2004 | 3.932 | 吨/公顷 | 2026-9 |
| 2002/2003 | 3.777 | 吨/公顷 | 2026-9 |
| 2001/2002 | 3.806 | 吨/公顷 | 2026-9 |
| 2000/2001 | 3.738 | 吨/公顷 | 2026-9 |
| 1999/2000 | 3.947 | 吨/公顷 | 2026-9 |
| 1998/1999 | 3.685 | 吨/公顷 | 2026-9 |
| 1997/1998 | 4.102 | 吨/公顷 | 2026-9 |
| 1996/1997 | 3.734 | 吨/公顷 | 2026-9 |
| 1995/1996 | 3.542 | 吨/公顷 | 2026-9 |
| 1994/1995 | 3.426 | 吨/公顷 | 2026-9 |
| 1993/1994 | 3.518 | 吨/公顷 | 2026-9 |
| 1992/1993 | 3.331 | 吨/公顷 | 2026-9 |
| 1991/1992 | 3.102 | 吨/公顷 | 2026-9 |
| 1990/1991 | 3.194 | 吨/公顷 | 2026-9 |
| 1989/1990 | 3.043 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.968 | 吨/公顷 | 2026-9 |
| 1987/1988 | 3.048 | 吨/公顷 | 2026-9 |
| 1986/1987 | 3.04 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.937 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.969 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.802 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2.449 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.107 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.889 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.137 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.845 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.464 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.773 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.638 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.51 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.332 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.368 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.271 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.146 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.084 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.113 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.126 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.057 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.021 | 吨/公顷 | 2026-9 |
| 1964/1965 | 0.82 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.777 | 吨/公顷 | 2026-9 |
| 1962/1963 | 0.692 | 吨/公顷 | 2026-9 |
| 1961/1962 | 0.557 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.782 | 吨/公顷 | 2026-9 |