| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 1.587 | 吨/公顷 | 2026-9 |
| 2025/2026 | 1.587 | 吨/公顷 | 2026-9 |
| 2024/2025 | 1.304 | 吨/公顷 | 2026-9 |
| 2023/2024 | 1.587 | 吨/公顷 | 2026-9 |
| 2022/2023 | 1.507 | 吨/公顷 | 2026-9 |
| 2021/2022 | 1.498 | 吨/公顷 | 2026-9 |
| 2020/2021 | 1.683 | 吨/公顷 | 2026-9 |
| 2019/2020 | 1.441 | 吨/公顷 | 2026-9 |
| 2018/2019 | 0.99 | 吨/公顷 | 2026-9 |
| 2017/2018 | 1.432 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.24 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.495 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.495 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.301 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.304 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.578 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2.506 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.395 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.406 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.361 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.363 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.49 | 吨/公顷 | 2026-9 |
| 2004/2005 | 1.312 | 吨/公顷 | 2026-9 |
| 2003/2004 | 1.535 | 吨/公顷 | 2026-9 |
| 2002/2003 | 1.5 | 吨/公顷 | 2026-9 |
| 2001/2002 | 1.5 | 吨/公顷 | 2026-9 |
| 2000/2001 | 1.514 | 吨/公顷 | 2026-9 |