| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2020 | 10.2 | 13.22 | 8.48 |
| 2019 | 17.73 | 37.66 | 9.2 |
| 2018 | 22.71 | 33.17 | 17.52 |
| 2017 | 32.29 | 45.9 | 26.25 |
| 2016 | 36.97 | 52.89 | 25.75 |
| 2015 | 29.53 | 49.77 | 18.39 |
| 2014 | 18.54 | 23.52 | 15.1 |
| 2013 | 18.93 | 22.51 | 15.97 |
| 2012 | 20.7 | 24.56 | 16.15 |
| 2011 | 34.6 | 52.14 | 18.99 |
| 2010 | 36.83 | 49.58 | 30.49 |
| 2009 | 41.04 | 69.89 | 28.74 |
| 2008 | 44.78 | 48.28 | 41.42 |
| 2007 | 0 | -2.41 | |
| 2006 | 0 | -1.97 | |
| 2005 | 0 | -2.43 | |
| 2004 | 112.22 | 170.35 | 84.18 |
| 2003 | 70.74 | 96.24 | 54.99 |
| 2002 | 62.58 | 72.88 | 49.5 |
| 2001 | 95 | 126.04 | 68.8 |