| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 1.083 | 吨/公顷 | 2026-9 |
| 2025/2026 | 1.083 | 吨/公顷 | 2026-9 |
| 2024/2025 | 1 | 吨/公顷 | 2026-9 |
| 2023/2024 | 0.905 | 吨/公顷 | 2026-9 |
| 2022/2023 | 0.967 | 吨/公顷 | 2026-9 |
| 2021/2022 | 0.976 | 吨/公顷 | 2026-9 |
| 2020/2021 | 0.981 | 吨/公顷 | 2026-9 |
| 2019/2020 | 0.943 | 吨/公顷 | 2026-9 |
| 2018/2019 | 0.942 | 吨/公顷 | 2026-9 |
| 2017/2018 | 0.966 | 吨/公顷 | 2026-9 |
| 2016/2017 | 1.4 | 吨/公顷 | 2026-9 |
| 2015/2016 | 1.314 | 吨/公顷 | 2026-9 |
| 2014/2015 | 1.206 | 吨/公顷 | 2026-9 |
| 2013/2014 | 0.882 | 吨/公顷 | 2026-9 |
| 2012/2013 | 0.882 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.194 | 吨/公顷 | 2026-9 |
| 2010/2011 | 1.25 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.2 | 吨/公顷 | 2026-9 |
| 2008/2009 | 0.958 | 吨/公顷 | 2026-9 |
| 2007/2008 | 0.909 | 吨/公顷 | 2026-9 |
| 2006/2007 | 0.667 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.046 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.05 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.05 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.118 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.083 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.333 | 吨/公顷 | 2026-9 |