| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2019 | 161.14 | 201.3 | 136.04 |
| 2018 | 130.71 | 150.51 | 105.18 |
| 2017 | 0.00 | -5.26 | |
| 2016 | 470.18 | 543.78 | 411.96 |
| 2015 | 531.60 | 1093.03 | 165.51 |
| 2014 | 155.27 | 287.97 | 98.91 |
| 2013 | 0.00 | -14.8 | |
| 2012 | 70.06 | 282.72 | 17.89 |
| 2011 | 25.02 | 33.44 | 17.47 |
| 2010 | 18.05 | 25.42 | 12.99 |
| 2009 | 23.01 | 26.47 | 15.92 |
| 2008 | 30.87 | 72.46 | 10.52 |
| 2007 | 65.19 | 93.25 | 46.91 |
| 2006 | 49.31 | 66.09 | 33.59 |
| 2005 | 86.17 | 170 | 49.06 |
| 2004 | 0.00 | -19.55 | |
| 2003 | 184.76 | 220.45 | 158.8 |
| 2002 | 190.99 | 271.39 | 85.04 |
| 2001 | 62.39 | 73.44 | 47.83 |
| 2000 | 39.07 | 44.93 | 31.64 |
| 1999 | 37.96 | 59.31 | 18.7 |