| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 1.327 | 吨/公顷 | 2026-9 |
| 2025/2026 | 1.585 | 吨/公顷 | 2026-9 |
| 2024/2025 | 1.422 | 吨/公顷 | 2026-9 |
| 2023/2024 | 0.922 | 吨/公顷 | 2026-9 |
| 2022/2023 | 1.281 | 吨/公顷 | 2026-9 |
| 2021/2022 | 0.929 | 吨/公顷 | 2026-9 |
| 2020/2021 | 1.182 | 吨/公顷 | 2026-9 |
| 2019/2020 | 1.014 | 吨/公顷 | 2026-9 |
| 2018/2019 | 1.228 | 吨/公顷 | 2026-9 |
| 2017/2018 | 1.243 | 吨/公顷 | 2026-9 |
| 2016/2017 | 1.211 | 吨/公顷 | 2026-9 |
| 2015/2016 | 1.188 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.09 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.076 | 吨/公顷 | 2026-9 |
| 2012/2013 | 0.794 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.661 | 吨/公顷 | 2026-9 |
| 2010/2011 | 0.734 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.194 | 吨/公顷 | 2026-9 |
| 2008/2009 | 0.972 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.298 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.135 | 吨/公顷 | 2026-9 |
| 2005/2006 | 0.948 | 吨/公顷 | 2026-9 |
| 2004/2005 | 0.843 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.025 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.09 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.18 | 吨/公顷 | 2026-9 |
| 2000/2001 | 0.903 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.286 | 吨/公顷 | 2026-9 |
| 1998/1999 | 0.517 | 吨/公顷 | 2026-9 |
| 1997/1998 | 0.778 | 吨/公顷 | 2026-9 |
| 1996/1997 | 0.631 | 吨/公顷 | 2026-9 |
| 1995/1996 | 0.517 | 吨/公顷 | 2026-9 |
| 1994/1995 | 0.717 | 吨/公顷 | 2026-9 |
| 1993/1994 | 0.914 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.318 | 吨/公顷 | 2026-9 |
| 1991/1992 | 0.512 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.151 | 吨/公顷 | 2026-9 |
| 1989/1990 | 0.749 | 吨/公顷 | 2026-9 |
| 1988/1989 | 0.818 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.052 | 吨/公顷 | 2026-9 |