| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2020 | 66.84 | 77.4 | 58.32 |
| 2019 | 66.05 | 108.62 | 46.84 |
| 2018 | 119.73 | 339.78 | 51.5 |
| 2017 | 356.97 | 1449.99 | 52.47 |
| 2016 | 77.1 | 95.17 | 55.57 |
| 2015 | 141.8 | 285.71 | 51.72 |
| 2014 | 62.66 | 125.15 | 43.82 |
| 2013 | 43.5 | 61.82 | 29.03 |
| 2012 | 32.82 | 41 | 25.48 |
| 2011 | 43.36 | 62.4 | 32.37 |
| 2010 | 53.81 | 70.06 | 38.14 |
| 2009 | 38.09 | 54.29 | 24.12 |
| 2008 | 35.57 | 65.08 | 16.54 |
| 2007 | 73.02 | 130.58 | 46.47 |
| 2006 | 98.92 | 177.11 | 29.54 |
| 2005 | 28.48 | 33.16 | 16.85 |
| 2004 | 32.33 | 41.9 | 25.51 |