| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 11.17 | 15.95 | 6.07 |
| 2024 | 12.57 | 19.49 | 7.67 |
| 2023 | 11.77 | 25.23 | 6.3 |
| 2022 | 6.5 | 9.17 | 4.72 |
| 2021 | 5.6 | 6.54 | 4.57 |
| 2020 | 5.83 | 7.87 | 4.12 |
| 2019 | 5.08 | 6.82 | 4.08 |
| 2018 | 6.95 | 13.62 | 3.24 |
| 2017 | 13.28 | 14.55 | 10.84 |
| 2016 | 9.89 | 15.88 | 6.3 |
| 2015 | 10.11 | 16.7 | 4.45 |
| 2014 | 5.25 | 6.78 | 3.76 |
| 2013 | 4.39 | 5.82 | 3.41 |
| 2012 | 4.98 | 6.98 | 3.23 |
| 2011 | 5.19 | 7.91 | 3.3 |
| 2010 | 7.85 | 11.47 | 5.98 |
| 2009 | 7.35 | 12.43 | 2.99 |
| 2008 | 4.97 | 9.47 | 2.44 |
| 2007 | 7.91 | 14.25 | 3.7 |
| 2006 | 4.32 | 6.05 | 3.39 |
| 2005 | 2.93 | 4.38 | 1.35 |
| 2004 | 3.57 | 6.26 | 2.05 |