| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2026/2027 | 2.7 | 吨/公顷 | 2026-9 |
| 2025/2026 | 2.691 | 吨/公顷 | 2026-9 |
| 2024/2025 | 2 | 吨/公顷 | 2026-9 |
| 2023/2024 | 2.591 | 吨/公顷 | 2026-9 |
| 2022/2023 | 2.265 | 吨/公顷 | 2026-9 |
| 2021/2022 | 2.706 | 吨/公顷 | 2026-9 |
| 2020/2021 | 1.958 | 吨/公顷 | 2026-9 |
| 2019/2020 | 2.026 | 吨/公顷 | 2026-9 |
| 2018/2019 | 2 | 吨/公顷 | 2026-9 |
| 2017/2018 | 2.448 | 吨/公顷 | 2026-9 |
| 2016/2017 | 2.389 | 吨/公顷 | 2026-9 |
| 2015/2016 | 1.778 | 吨/公顷 | 2026-9 |
| 2014/2015 | 2.345 | 吨/公顷 | 2026-9 |
| 2013/2014 | 1.654 | 吨/公顷 | 2026-9 |
| 2012/2013 | 1.2 | 吨/公顷 | 2026-9 |
| 2011/2012 | 1.3 | 吨/公顷 | 2026-9 |
| 2010/2011 | 0.949 | 吨/公顷 | 2026-9 |
| 2009/2010 | 1.232 | 吨/公顷 | 2026-9 |
| 2008/2009 | 1.9 | 吨/公顷 | 2026-9 |
| 2007/2008 | 0.971 | 吨/公顷 | 2026-9 |
| 2006/2007 | 1.167 | 吨/公顷 | 2026-9 |
| 2005/2006 | 1.5 | 吨/公顷 | 2026-9 |