| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.789 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.589 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.942 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.769 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.79 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.725 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.342 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.341 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.725 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.301 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.331 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.823 | 吨/公顷 | 2026-9 |
| 2014/2015 | 4.141 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.991 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.992 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.725 | 吨/公顷 | 2026-9 |
| 2010/2011 | 4.109 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.918 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.256 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.413 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.554 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.949 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.795 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.636 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.263 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.784 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.349 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.5 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.778 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.32 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.014 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.246 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.077 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.462 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.392 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.658 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.123 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.493 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.803 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.824 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.056 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.056 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.046 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.096 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.544 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.739 | 吨/公顷 | 2026-9 |
| 1980/1981 | 0.97 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.228 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.626 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.318 | 吨/公顷 | 2026-9 |
| 1976/1977 | 0.708 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.404 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.361 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1 | 吨/公顷 | 2026-9 |
| 1972/1973 | 0.9 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.286 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.054 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.365 | 吨/公顷 | 2026-9 |
| 1968/1969 | 0.756 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.337 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.421 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.506 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.253 | 吨/公顷 | 2026-9 |
| 1963/1964 | 1.413 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.25 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1.137 | 吨/公顷 | 2026-9 |
| 1960/1961 | 1.206 | 吨/公顷 | 2026-9 |