| 年度 | 数值 | 单位 | 发布日期 |
| 2026/2027 | 0.452 | 千吨 | 2026-9 |
| 2025/2026 | 0.452 | 千吨 | 2026-9 |
| 2024/2025 | 0.903 | 千吨 | 2026-9 |
| 2023/2024 | 0.452 | 千吨 | 2026-9 |
| 2022/2023 | 0.452 | 千吨 | 2026-9 |
| 2021/2022 | 0.452 | 千吨 | 2026-9 |
| 2020/2021 | 0.903 | 千吨 | 2026-9 |
| 2019/2020 | 0.452 | 千吨 | 2026-9 |
| 2018/2019 | 0.903 | 千吨 | 2026-9 |
| 2017/2018 | 0.903 | 千吨 | 2026-9 |
| 2016/2017 | 0.903 | 千吨 | 2026-9 |
| 2015/2016 | 5.87 | 千吨 | 2026-9 |
| 2014/2015 | 1.355 | 千吨 | 2026-9 |
| 2013/2014 | 1.355 | 千吨 | 2026-9 |
| 2012/2013 | 4.515 | 千吨 | 2026-9 |
| 2011/2012 | 6.321 | 千吨 | 2026-9 |
| 2010/2011 | 8.127 | 千吨 | 2026-9 |
| 2009/2010 | 14.9 | 千吨 | 2026-9 |
| 2008/2009 | 10.836 | 千吨 | 2026-9 |
| 2007/2008 | 7.224 | 千吨 | 2026-9 |
| 2006/2007 | 13.997 | 千吨 | 2026-9 |
| 2005/2006 | 25.284 | 千吨 | 2026-9 |
| 2004/2005 | 42.893 | 千吨 | 2026-9 |
| 2003/2004 | 69.531 | 千吨 | 2026-9 |
| 2002/2003 | 130.484 | 千吨 | 2026-9 |
| 2001/2002 | 186.47 | 千吨 | 2026-9 |
| 2000/2001 | 305.666 | 千吨 | 2026-9 |
| 1999/2000 | 218.075 | 千吨 | 2026-9 |