| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.25 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.981 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.375 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.112 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.089 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.992 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.116 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.706 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.92 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.629 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.956 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.891 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.678 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.872 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.001 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.875 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.954 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.536 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.792 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.302 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.886 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.709 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.593 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.167 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.281 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.53 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.548 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.771 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.793 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.583 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.517 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.783 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.745 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.571 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.336 | 吨/公顷 | 2026-9 |
| 1991/1992 | 2.442 | 吨/公顷 | 2026-9 |
| 1990/1991 | 2.607 | 吨/公顷 | 2026-9 |
| 1989/1990 | 2.257 | 吨/公顷 | 2026-9 |
| 1988/1989 | 2.163 | 吨/公顷 | 2026-9 |
| 1987/1988 | 2.755 | 吨/公顷 | 2026-9 |
| 1986/1987 | 2.494 | 吨/公顷 | 2026-9 |
| 1985/1986 | 2.499 | 吨/公顷 | 2026-9 |
| 1984/1985 | 2.264 | 吨/公顷 | 2026-9 |
| 1983/1984 | 2.019 | 吨/公顷 | 2026-9 |
| 1982/1983 | 2.33 | 吨/公顷 | 2026-9 |
| 1981/1982 | 2.176 | 吨/公顷 | 2026-9 |
| 1980/1981 | 2.491 | 吨/公顷 | 2026-9 |
| 1979/1980 | 2.355 | 吨/公顷 | 2026-9 |
| 1978/1979 | 1.811 | 吨/公顷 | 2026-9 |
| 1977/1978 | 2.601 | 吨/公顷 | 2026-9 |
| 1976/1977 | 1.634 | 吨/公顷 | 2026-9 |
| 1975/1976 | 2.323 | 吨/公顷 | 2026-9 |
| 1974/1975 | 1.792 | 吨/公顷 | 2026-9 |
| 1973/1974 | 2.09 | 吨/公顷 | 2026-9 |
| 1972/1973 | 2.287 | 吨/公顷 | 2026-9 |
| 1971/1972 | 1.879 | 吨/公顷 | 2026-9 |
| 1970/1971 | 2.081 | 吨/公顷 | 2026-9 |
| 1969/1970 | 1.615 | 吨/公顷 | 2026-9 |
| 1968/1969 | 2.067 | 吨/公顷 | 2026-9 |
| 1967/1968 | 1.88 | 吨/公顷 | 2026-9 |
| 1966/1967 | 2.168 | 吨/公顷 | 2026-9 |
| 1965/1966 | 2.047 | 吨/公顷 | 2026-9 |
| 1964/1965 | 2.043 | 吨/公顷 | 2026-9 |