| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2020 | 14.64 | 15.91 | 12.84 |
| 2019 | 30.61 | 90.27 | 8.55 |
| 2018 | 49.32 | 66.97 | 33 |
| 2017 | 59.8 | 104.08 | 32.3 |
| 2016 | 49.16 | 132.37 | 11.94 |
| 2015 | 89.3 | 221.99 | 15.85 |
| 2014 | 90.75 | 202.78 | 49.18 |
| 2013 | 38.95 | 65.5 | 24.93 |
| 2012 | 28.76 | 36.22 | 21.25 |
| 2011 | 32.64 | 57.27 | 18.53 |
| 2010 | 62.68 | 83.07 | 43.01 |
| 2009 | 38.67 | 67.82 | 16.4 |
| 2008 | 28.55 | 63.94 | 11.07 |
| 2007 | 46.1 | 72.65 | 23.75 |
| 2006 | 22.54 | 32.36 | 17.12 |
| 2005 | 18.13 | 25.01 | 13.96 |
| 2004 | 34.27 | 63.97 | 21.98 |
| 2003 | 28.34 | 36.4 | 22.31 |
| 2002 | 41.73 | 45.92 | 38.42 |