| 年度 | 数值 | 单位 | 发布日期 |
| 2025/2026 | 43.35 | 千吨 | 2026-9 |
| 2024/2025 | 44.795 | 千吨 | 2026-9 |
| 2023/2024 | 40.46 | 千吨 | 2026-9 |
| 2022/2023 | 37.57 | 千吨 | 2026-9 |
| 2021/2022 | 43.35 | 千吨 | 2026-9 |
| 2020/2021 | 40.46 | 千吨 | 2026-9 |
| 2019/2020 | 50.575 | 千吨 | 2026-9 |
| 2018/2019 | 40.46 | 千吨 | 2026-9 |
| 2017/2018 | 36.125 | 千吨 | 2026-9 |
| 2016/2017 | 40.46 | 千吨 | 2026-9 |
| 2015/2016 | 53.465 | 千吨 | 2026-9 |
| 2014/2015 | 44.95 | 千吨 | 2026-9 |
| 2013/2014 | 53.65 | 千吨 | 2026-9 |
| 2012/2013 | 34.68 | 千吨 | 2026-9 |
| 2011/2012 | 55.1 | 千吨 | 2026-9 |
| 2010/2011 | 43.35 | 千吨 | 2026-9 |
| 2009/2010 | 56.55 | 千吨 | 2026-9 |
| 2008/2009 | 60.9 | 千吨 | 2026-9 |
| 2007/2008 | 50.75 | 千吨 | 2026-9 |
| 2006/2007 | 44.95 | 千吨 | 2026-9 |
| 2005/2006 | 31.9 | 千吨 | 2026-9 |