| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3.5 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.5 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3.5 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3.429 | 吨/公顷 | 2026-9 |
| 2022/2023 | 3.214 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.486 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.514 | 吨/公顷 | 2026-9 |
| 2019/2020 | 3.478 | 吨/公顷 | 2026-9 |
| 2018/2019 | 3.394 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.74 | 吨/公顷 | 2026-9 |
| 2016/2017 | 3.825 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.753 | 吨/公顷 | 2026-9 |
| 2014/2015 | 3.74 | 吨/公顷 | 2026-9 |
| 2013/2014 | 3.198 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.688 | 吨/公顷 | 2026-9 |
| 2011/2012 | 3.325 | 吨/公顷 | 2026-9 |
| 2010/2011 | 3.038 | 吨/公顷 | 2026-9 |
| 2009/2010 | 3.08 | 吨/公顷 | 2026-9 |
| 2008/2009 | 3.435 | 吨/公顷 | 2026-9 |
| 2007/2008 | 2.396 | 吨/公顷 | 2026-9 |
| 2006/2007 | 3.021 | 吨/公顷 | 2026-9 |
| 2005/2006 | 3.093 | 吨/公顷 | 2026-9 |
| 2004/2005 | 3.535 | 吨/公顷 | 2026-9 |
| 2003/2004 | 2.164 | 吨/公顷 | 2026-9 |
| 2002/2003 | 2.644 | 吨/公顷 | 2026-9 |
| 2001/2002 | 2.121 | 吨/公顷 | 2026-9 |
| 2000/2001 | 2.471 | 吨/公顷 | 2026-9 |
| 1999/2000 | 2.895 | 吨/公顷 | 2026-9 |
| 1998/1999 | 2.947 | 吨/公顷 | 2026-9 |
| 1997/1998 | 2.557 | 吨/公顷 | 2026-9 |
| 1996/1997 | 2.299 | 吨/公顷 | 2026-9 |
| 1995/1996 | 2.931 | 吨/公顷 | 2026-9 |
| 1994/1995 | 2.754 | 吨/公顷 | 2026-9 |
| 1993/1994 | 2.137 | 吨/公顷 | 2026-9 |
| 1992/1993 | 2.679 | 吨/公顷 | 2026-9 |