| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2020 | 85.1 | 101.07 | 74.54 |
| 2019 | 48.39 | 127.37 | 29.72 |
| 2018 | 66.57 | 77.17 | 56.41 |
| 2017 | 100.75 | 239.19 | 63.29 |
| 2016 | 101.53 | 125.96 | 84.53 |
| 2015 | 1246.37 | 3884 | 105.47 |
| 2014 | 112.83 | 229.79 | 97.63 |
| 2013 | 79.67 | 138.18 | 30.83 |
| 2012 | 166.17 | 343.53 | 27.51 |
| 2011 | 597.54 | 754.46 | 341.57 |
| 2010 | 306.08 | 1060.06 | 92.15 |
| 2009 | 112.29 | 283.55 | 81.85 |
| 2008 | 25.41 | 101.52 | 4.31 |
| 2007 | 111.73 | 465.41 | 12.07 |
| 2006 | 88.52 | 134 | 28.91 |
| 2005 | 27.55 | 38.28 | 19.89 |