| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2024 | 4.08 | 5.48 | 2.95 |
| 2023 | 4.76 | 7.39 | 3.44 |
| 2022 | 3.94 | 5.77 | 2.98 |
| 2021 | 3.07 | 3.99 | 2.47 |
| 2020 | 4.19 | 7.08 | 2.86 |
| 2019 | 7.48 | 9.85 | 5.21 |
| 2018 | 9.22 | 15.32 | 4.59 |
| 2017 | 32.56 | 61.56 | 14.02 |
| 2016 | 68.27 | 80.1 | 50.14 |
| 2015 | 73.62 | 143.23 | 33.15 |
| 2014 | 25.29 | 44.29 | 11.09 |
| 2013 | 11.48 | 13.15 | 9.24 |
| 2012 | 11.12 | 13.72 | 9.32 |
| 2011 | 13.06 | 15.21 | 10.33 |
| 2010 | 13.8 | 17.66 | 10.35 |
| 2009 | 13.14 | 16.32 | 9.28 |
| 2008 | 21.02 | 40.82 | 7.1 |
| 2007 | 34.47 | 53.63 | 18.84 |
| 2006 | 11.82 | 19.19 | 6.94 |
| 2005 | 4.3 | 7.86 | 1.48 |
| 2004 | 4 | 8.84 | 1.58 |