| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 0.741 | 吨/公顷 | 2026-9 |
| 2025/2026 | 0.741 | 吨/公顷 | 2026-9 |
| 2024/2025 | 0.741 | 吨/公顷 | 2026-9 |
| 2023/2024 | 0.801 | 吨/公顷 | 2026-9 |
| 2022/2023 | 0.799 | 吨/公顷 | 2026-9 |
| 2021/2022 | 0.8 | 吨/公顷 | 2026-9 |
| 2020/2021 | 0.701 | 吨/公顷 | 2026-9 |
| 2019/2020 | 0.806 | 吨/公顷 | 2026-9 |
| 2018/2019 | 0.807 | 吨/公顷 | 2026-9 |
| 2017/2018 | 0.8 | 吨/公顷 | 2026-9 |
| 2016/2017 | 0.8 | 吨/公顷 | 2026-9 |
| 2015/2016 | 0.792 | 吨/公顷 | 2026-9 |
| 2014/2015 | 0.808 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.247 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.761 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.684 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.613 | 吨/公顷 | 2026-9 |
| 2009/2010 | 0.848 | 吨/公顷 | 2026-9 |
| 2008/2009 | 0.85 | 吨/公顷 | 2026-9 |
| 2007/2008 | 0.854 | 吨/公顷 | 2026-9 |
| 2006/2007 | 0.879 | 吨/公顷 | 2026-9 |
| 2005/2006 | 0.903 | 吨/公顷 | 2026-9 |
| 2004/2005 | 0.962 | 吨/公顷 | 2026-9 |
| 2003/2004 | 0.952 | 吨/公顷 | 2026-9 |
| 2002/2003 | 0.983 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.07 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.111 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.056 | 吨/公顷 | 2026-9 |
| 1998/1999 | 0.889 | 吨/公顷 | 2026-9 |
| 1997/1998 | 0.889 | 吨/公顷 | 2026-9 |
| 1996/1997 | 0.833 | 吨/公顷 | 2026-9 |
| 1995/1996 | 0.875 | 吨/公顷 | 2026-9 |
| 1994/1995 | 0.857 | 吨/公顷 | 2026-9 |
| 1993/1994 | 0.829 | 吨/公顷 | 2026-9 |
| 1992/1993 | 0.923 | 吨/公顷 | 2026-9 |
| 1991/1992 | 0.5 | 吨/公顷 | 2026-9 |
| 1990/1991 | 0.5 | 吨/公顷 | 2026-9 |
| 1989/1990 | 0.5 | 吨/公顷 | 2026-9 |
| 1988/1989 | 0.515 | 吨/公顷 | 2026-9 |
| 1987/1988 | 0.492 | 吨/公顷 | 2026-9 |
| 1986/1987 | 0.412 | 吨/公顷 | 2026-9 |
| 1985/1986 | 0.4 | 吨/公顷 | 2026-9 |
| 1984/1985 | 0.398 | 吨/公顷 | 2026-9 |
| 1983/1984 | 0.422 | 吨/公顷 | 2026-9 |
| 1982/1983 | 0.4 | 吨/公顷 | 2026-9 |
| 1981/1982 | 0.4 | 吨/公顷 | 2026-9 |
| 1980/1981 | 0.398 | 吨/公顷 | 2026-9 |
| 1979/1980 | 0.4 | 吨/公顷 | 2026-9 |
| 1978/1979 | 0.398 | 吨/公顷 | 2026-9 |
| 1977/1978 | 0.398 | 吨/公顷 | 2026-9 |