| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2020 | 108.65 | 115.54 | 99.83 |
| 2019 | 167.65 | 651.33 | 66.89 |
| 2018 | 268.96 | 736.89 | 45.31 |
| 2017 | 723.15 | 2086.22 | 46.47 |
| 2016 | 148.28 | 190.82 | 125.24 |
| 2015 | 697.36 | 3033.22 | 53.7 |
| 2014 | 52.43 | 98.56 | 31.08 |
| 2013 | 633.48 | 1110.62 | 286.33 |
| 2012 | 435.59 | 1102.82 | 74.96 |
| 2011 | 86.75 | 124.9 | 62.68 |
| 2010 | 75.97 | 121.27 | 55.01 |
| 2009 | 64.99 | 88.27 | 23.65 |
| 2008 | 29.41 | 49.84 | 17.22 |
| 2007 | 52.98 | 85.99 | 33.41 |
| 2006 | 43.19 | 57.78 | 31.65 |
| 2005 | 37.42 | 46.38 | 26.88 |
| 2004 | 40.11 | 50.48 | 26.03 |
| 2003 | 38.02 | 46.97 | 31.27 |
| 2002 | 44.73 | 50.08 | 36.4 |