| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2019 | 0.00 | -2.85 | |
| 2018 | 103.55 | 122.57 | 79.11 |
| 2017 | 122.26 | 148.31 | 89.68 |
| 2016 | 128.45 | 434.08 | 48.54 |
| 2015 | 373.32 | 716.44 | 111.7 |
| 2014 | 127.09 | 166.21 | 100.59 |
| 2013 | 182.97 | 206.54 | 167.35 |
| 2012 | 74.78 | 188.14 | 20.28 |
| 2011 | 35.89 | 55.34 | 21.6 |
| 2010 | 42.98 | 53.89 | 33.62 |
| 2009 | 58.40 | 87.1 | 34.37 |
| 2008 | 58.02 | 121.46 | 27.4 |
| 2007 | 89.48 | 122.93 | 35.58 |
| 2006 | 26.99 | 35.84 | 16.87 |
| 2005 | 20.49 | 27.02 | 14.15 |
| 2004 | 37.43 | 53.88 | 26.98 |
| 2003 | 41.08 | 55.62 | 32.87 |