| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 29.883 | 千吨 | 2026-9 |
| 2025/2026 | 29.883 | 千吨 | 2026-9 |
| 2024/2025 | 35.575 | 千吨 | 2026-9 |
| 2023/2024 | 27.037 | 千吨 | 2026-9 |
| 2022/2023 | 19.922 | 千吨 | 2026-9 |
| 2021/2022 | 24.191 | 千吨 | 2026-9 |
| 2020/2021 | 17.076 | 千吨 | 2026-9 |
| 2019/2020 | 17.076 | 千吨 | 2026-9 |
| 2018/2019 | 9.25 | 千吨 | 2026-9 |
| 2017/2018 | 9.961 | 千吨 | 2026-9 |
| 2016/2017 | 22.768 | 千吨 | 2026-9 |
| 2015/2016 | 25.614 | 千吨 | 2026-9 |
| 2014/2015 | 12.807 | 千吨 | 2026-9 |
| 2013/2014 | 11.384 | 千吨 | 2026-9 |
| 2012/2013 | 12.807 | 千吨 | 2026-9 |
| 2011/2012 | 17.076 | 千吨 | 2026-9 |
| 2010/2011 | 14.942 | 千吨 | 2026-9 |
| 2009/2010 | 7.827 | 千吨 | 2026-9 |
| 2008/2009 | 7.827 | 千吨 | 2026-9 |
| 2007/2008 | 11.384 | 千吨 | 2026-9 |
| 2006/2007 | 10.673 | 千吨 | 2026-9 |
| 2005/2006 | 2.846 | 千吨 | 2026-9 |
| 2004/2005 | 0 | 千吨 | 2026-9 |
| 2003/2004 | 0.712 | 千吨 | 2026-9 |
| 2002/2003 | 0 | 千吨 | 2026-9 |