| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 1.32 | 吨/公顷 | 2026-9 |
| 2025/2026 | 1.55 | 吨/公顷 | 2026-9 |
| 2024/2025 | 1.55 | 吨/公顷 | 2026-9 |
| 2023/2024 | 0.857 | 吨/公顷 | 2026-9 |
| 2022/2023 | 1.765 | 吨/公顷 | 2026-9 |
| 2021/2022 | 0.909 | 吨/公顷 | 2026-9 |
| 2020/2021 | 1.25 | 吨/公顷 | 2026-9 |
| 2019/2020 | 1.095 | 吨/公顷 | 2026-9 |
| 2018/2019 | 1.046 | 吨/公顷 | 2026-9 |
| 2017/2018 | 1.258 | 吨/公顷 | 2026-9 |
| 2016/2017 | 1.139 | 吨/公顷 | 2026-9 |
| 2015/2016 | 0.974 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.419 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.103 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.12 | 吨/公顷 | 2026-9 |
| 2010/2011 | 0.955 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.293 | 吨/公顷 | 2026-9 |
| 2008/2009 | 0.741 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.308 | 吨/公顷 | 2026-9 |
| 2006/2007 | 0.732 | 吨/公顷 | 2026-9 |
| 2005/2006 | 0.8 | 吨/公顷 | 2026-9 |
| 2004/2005 | 0.714 | 吨/公顷 | 2026-9 |
| 2003/2004 | 0.84 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.377 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.024 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.667 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.111 | 吨/公顷 | 2026-9 |
| 1998/1999 | 0.4 | 吨/公顷 | 2026-9 |
| 1997/1998 | 0.857 | 吨/公顷 | 2026-9 |
| 1996/1997 | 0.269 | 吨/公顷 | 2026-9 |
| 1995/1996 | 0.477 | 吨/公顷 | 2026-9 |
| 1994/1995 | 0.788 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.376 | 吨/公顷 | 2026-9 |
| 1992/1993 | 0.843 | 吨/公顷 | 2026-9 |
| 1991/1992 | 0.854 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.096 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.03 | 吨/公顷 | 2026-9 |
| 1988/1989 | 0.952 | 吨/公顷 | 2026-9 |
| 1987/1988 | 0.691 | 吨/公顷 | 2026-9 |