| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 4 | 吨/公顷 | 2026-9 |
| 2025/2026 | 4 | 吨/公顷 | 2026-9 |
| 2024/2025 | 4 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.882 | 吨/公顷 | 2026-9 |
| 2022/2023 | 4.368 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.455 | 吨/公顷 | 2026-9 |
| 2020/2021 | 4.046 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.524 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.591 | 吨/公顷 | 2026-9 |
| 2017/2018 | 3.619 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.667 | 吨/公顷 | 2026-9 |
| 2015/2016 | 3.15 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.722 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.381 | 吨/公顷 | 2026-9 |
| 2012/2013 | 3.25 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.143 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.632 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.5 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.391 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.905 | 吨/公顷 | 2026-9 |
| 2006/2007 | 2.818 | 吨/公顷 | 2026-9 |
| 2005/2006 | 2.6 | 吨/公顷 | 2026-9 |
| 2004/2005 | 2.952 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.905 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.542 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.435 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.348 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.435 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.625 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.636 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.167 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.333 | 吨/公顷 | 2026-9 |
| 1994/1995 | 1.947 | 吨/公顷 | 2026-9 |
| 1993/1994 | 1.833 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2 | 吨/公顷 | 2026-9 |