| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 1.48 | 吨/公顷 | 2026-9 |
| 2025/2026 | 1.543 | 吨/公顷 | 2026-9 |
| 2024/2025 | 1.175 | 吨/公顷 | 2026-9 |
| 2023/2024 | 1.103 | 吨/公顷 | 2026-9 |
| 2022/2023 | 1.192 | 吨/公顷 | 2026-9 |
| 2021/2022 | 1.089 | 吨/公顷 | 2026-9 |
| 2020/2021 | 1.176 | 吨/公顷 | 2026-9 |
| 2019/2020 | 0.911 | 吨/公顷 | 2026-9 |
| 2018/2019 | 0.978 | 吨/公顷 | 2026-9 |
| 2017/2018 | 1.423 | 吨/公顷 | 2026-9 |
| 2016/2017 | 1.371 | 吨/公顷 | 2026-9 |
| 2015/2016 | 1.16 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.189 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.236 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.336 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.162 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.219 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.162 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.268 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.629 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.608 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.746 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.586 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.285 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.406 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.473 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.347 | 吨/公顷 | 2026-9 |
| 1999/2000 | 1.495 | 吨/公顷 | 2026-9 |
| 1998/1999 | 1.325 | 吨/公顷 | 2026-9 |
| 1997/1998 | 1.519 | 吨/公顷 | 2026-9 |
| 1996/1997 | 1.354 | 吨/公顷 | 2026-9 |
| 1995/1996 | 1.476 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.522 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.298 | 吨/公顷 | 2026-9 |
| 1992/1993 | 1.44 | 吨/公顷 | 2026-9 |
| 1991/1992 | 1.512 | 吨/公顷 | 2026-9 |
| 1990/1991 | 1.599 | 吨/公顷 | 2026-9 |
| 1989/1990 | 1.617 | 吨/公顷 | 2026-9 |
| 1988/1989 | 1.564 | 吨/公顷 | 2026-9 |
| 1987/1988 | 1.279 | 吨/公顷 | 2026-9 |