| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 3 | 吨/公顷 | 2026-9 |
| 2025/2026 | 3 | 吨/公顷 | 2026-9 |
| 2024/2025 | 3 | 吨/公顷 | 2026-9 |
| 2023/2024 | 3 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.8 | 吨/公顷 | 2026-9 |
| 2021/2022 | 3.111 | 吨/公顷 | 2026-9 |
| 2020/2021 | 3.059 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.435 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2.885 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.167 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.167 | 吨/公顷 | 2026-9 |
| 2015/2016 | 2.2 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.2 | 吨/公顷 | 2026-9 |
| 2013/2014 | 2.2 | 吨/公顷 | 2026-9 |
| 2012/2013 | 2.2 | 吨/公顷 | 2026-9 |
| 2011/2012 | 2.219 | 吨/公顷 | 2026-9 |
| 2010/2011 | 2 | 吨/公顷 | 2026-9 |
| 2009/2010 | 2.114 | 吨/公顷 | 2026-9 |
| 2008/2009 | 2.4 | 吨/公顷 | 2026-9 |
| 2007/2008 | 1.925 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.954 | 吨/公顷 | 2026-9 |