| 年度 | 数值 | 单位 | 发布时间 |
|---|
| 2026/2027 | 5.027 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3.778 | 吨/公顷 | 2026-9 |
| 2024/2025 | 5.579 | 吨/公顷 | 2026-9 |
| 2023/2024 | 7.158 | 吨/公顷 | 2026-9 |
| 2022/2023 | 4.842 | 吨/公顷 | 2026-9 |
| 2021/2022 | 5.909 | 吨/公顷 | 2026-9 |
| 2020/2021 | 8.1 | 吨/公顷 | 2026-9 |
| 2019/2020 | 7.732 | 吨/公顷 | 2026-9 |
| 2018/2019 | 8.222 | 吨/公顷 | 2026-9 |
| 2017/2018 | 4 | 吨/公顷 | 2026-9 |
| 2016/2017 | 7.451 | 吨/公顷 | 2026-9 |
| 2015/2016 | 5.714 | 吨/公顷 | 2026-9 |
| 2014/2015 | 7 | 吨/公顷 | 2026-9 |
| 2013/2014 | 4.917 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.885 | 吨/公顷 | 2026-9 |
| 2011/2012 | 5.079 | 吨/公顷 | 2026-9 |
| 2010/2011 | 5.529 | 吨/公顷 | 2026-9 |
| 2009/2010 | 5.333 | 吨/公顷 | 2026-9 |
| 2008/2009 | 4.8 | 吨/公顷 | 2026-9 |
| 2007/2008 | 3.359 | 吨/公顷 | 2026-9 |
| 2006/2007 | 5.483 | 吨/公顷 | 2026-9 |