| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 2.333 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.29 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.295 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.031 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.257 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.092 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.194 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.151 | 吨/公顷 | 2026-9 |
| 2018/2019 | 1.937 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.149 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.042 | 吨/公顷 | 2026-9 |
| 2015/2016 | 1.993 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.76 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.717 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.644 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.588 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.743 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.686 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.819 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.569 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.649 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.69 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.736 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.698 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.557 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.733 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.775 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.807 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.828 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.617 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.621 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.641 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.746 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.708 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.842 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.544 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.697 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.763 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.548 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.824 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.766 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.783 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.078 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.898 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.81 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.668 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.54 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.616 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.632 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.529 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.299 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.37 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.404 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.624 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.689 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.763 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.622 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.469 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.447 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.414 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.368 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.42 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.203 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.152 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.289 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.112 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.231 | 吨/公顷 | 2026-9 |