| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.099 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.099 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2.917 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.985 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.952 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.992 | 吨/公顷 | 2026-9 |
| 2020/2021 | 2.992 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.086 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.849 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.757 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.553 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.328 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.593 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.497 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.476 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.413 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.276 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.13 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.934 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.227 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.155 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.074 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.133 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.086 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.009 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.886 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.807 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.794 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.694 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.609 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.607 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.549 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.51 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.471 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.246 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.335 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.41 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.386 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.248 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.308 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.308 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.238 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.181 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.343 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.357 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.315 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.217 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.199 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.166 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.123 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.04 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.184 | 吨/公顷 | 2026-9 |
| 1974/1975 | 0.938 | 吨/公顷 | 2026-9 |
| 1973/1974 | 0.938 | 吨/公顷 | 2026-9 |
| 1972/1973 | 0.933 | 吨/公顷 | 2026-9 |
| 1971/1972 | 0.847 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.173 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.072 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.367 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.262 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.246 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.26 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.23 | 吨/公顷 | 2026-9 |
| 1963/1964 | 0.986 | 吨/公顷 | 2026-9 |
| 1962/1963 | 1.062 | 吨/公顷 | 2026-9 |
| 1961/1962 | 1 | 吨/公顷 | 2026-9 |
| 1960/1961 | 0.962 | 吨/公顷 | 2026-9 |