| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2019 | 49.66 | 56.65 | 40.86 |
| 2018 | 1,561.87 | 4909.75 | 36.77 |
| 2017 | 1,165.85 | 5446 | 62.88 |
| 2016 | 123.96 | 268.05 | 48.16 |
| 2015 | 224.61 | 357.84 | 105.09 |
| 2014 | 121.71 | 160.82 | 98.73 |
| 2013 | 124.45 | 151.87 | 102.37 |
| 2012 | 12.05 | 13.65 | 10.37 |
| 2011 | 17.99 | 33.33 | 10.91 |
| 2010 | 83.43 | 949.72 | 33.56 |
| 2009 | 354.82 | 1132.1 | 31.46 |
| 2008 | 54.42 | 71.96 | 40.09 |
| 2007 | 77.47 | 113.36 | 54.02 |
| 2006 | 54.65 | 66.51 | 42.42 |
| 2005 | 34.98 | 54.03 | 21.2 |
| 2004 | 28.44 | 35.79 | 19.62 |
| 2003 | 21.29 | 24.49 | 18.64 |
| 2002 | 28.08 | 34.2 | 22.48 |
| 2001 | 35.15 | 42.18 | 25.91 |
| 2000 | 33.13 | 36.41 | 30.05 |