| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2020 | 32.71 | 36.33 | 28.11 |
| 2019 | 31.26 | 45.21 | 23.28 |
| 2018 | 33.76 | 51.65 | 24.61 |
| 2017 | 0 | -16.97 | |
| 2016 | 75.06 | 87.39 | 64.62 |
| 2015 | 54.13 | 99.25 | 18.68 |
| 2014 | 57.59 | 89.68 | 25.71 |
| 2013 | 67.12 | 77.02 | 56.15 |
| 2012 | 75.39 | 88.72 | 64.96 |
| 2011 | 98.73 | 129.41 | 73.39 |
| 2010 | 84.04 | 112.86 | 60.7 |
| 2009 | 44.6 | 69.22 | 16.74 |
| 2008 | 32.79 | 68.81 | 12.51 |
| 2007 | 58.87 | 74.76 | 47.01 |
| 2006 | 36.06 | 55.84 | 17.84 |
| 2005 | 20.44 | 25.79 | 17.34 |
| 2004 | 28.74 | 54.94 | 12.13 |
| 2003 | 44.89 | 62.84 | 36.98 |
| 2002 | 46.95 | 53.25 | 37.03 |