| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.517 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.555 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.448 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.242 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.169 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.023 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.3 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.277 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.349 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.133 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.316 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.934 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.082 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.829 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.767 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.504 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.925 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.933 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.382 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.846 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.914 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.605 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.465 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.365 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.818 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.649 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.766 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.52 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.435 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.606 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.139 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.164 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.209 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.203 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.18 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.114 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.879 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.884 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.864 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.892 | 吨/公顷 | 2026-9 |
| 1986/1987 | 1.901 | 吨/公顷 | 2026-9 |
| 1985/1986 | 1.676 | 吨/公顷 | 2026-9 |
| 1984/1985 | 1.865 | 吨/公顷 | 2026-9 |
| 1983/1984 | 1.828 | 吨/公顷 | 2026-9 |
| 1982/1983 | 1.819 | 吨/公顷 | 2026-9 |
| 1981/1982 | 1.667 | 吨/公顷 | 2026-9 |
| 1980/1981 | 1.826 | 吨/公顷 | 2026-9 |
| 1979/1980 | 1.736 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.414 | 吨/公顷 | 2026-9 |
| 1977/1978 | 1.355 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.8 | 吨/公顷 | 2026-9 |
| 1975/1976 | 1.74 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.679 | 吨/公顷 | 2026-9 |
| 1973/1974 | 1.526 | 吨/公顷 | 2026-9 |
| 1972/1973 | 1.401 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.287 | 吨/公顷 | 2026-9 |
| 1970/1971 | 1.219 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.142 | 吨/公顷 | 2026-9 |
| 1968/1969 | 1.166 | 吨/公顷 | 2026-9 |
| 1967/1968 | 0.911 | 吨/公顷 | 2026-9 |
| 1966/1967 | 1.172 | 吨/公顷 | 2026-9 |
| 1965/1966 | 1.209 | 吨/公顷 | 2026-9 |
| 1964/1965 | 1.205 | 吨/公顷 | 2026-9 |