| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2019 | 28.33 | 161.91 | 11.77 |
| 2018 | 0.00 | -3.88 | |
| 2017 | 41.99 | 79.42 | 27.74 |
| 2016 | 25.65 | 30.5 | 21.65 |
| 2015 | 21.46 | 33.2 | 12.95 |
| 2014 | 11.10 | 14.76 | 9.01 |
| 2013 | 12.41 | 15.64 | 10 |
| 2012 | 12.95 | 15.42 | 10.63 |
| 2011 | 23.48 | 32.11 | 10.8 |
| 2010 | 31.40 | 94.38 | 10.13 |
| 2009 | 57.79 | 110.43 | 19.8 |
| 2008 | 26.00 | 58.04 | 10.23 |
| 2007 | 107.64 | 229.98 | 32.1 |
| 2006 | 22.94 | 65.77 | 10.09 |
| 2005 | 17.03 | 25.61 | 9.14 |
| 2004 | 25.83 | 38.39 | 18.06 |