| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2019 | 9.10 | 11.51 | 7.94 |
| 2018 | 15.26 | 24.02 | 8.6 |
| 2017 | 23.77 | 28.2 | 17.13 |
| 2016 | 42.58 | 57.92 | 25.74 |
| 2015 | 43.61 | 76.68 | 23.08 |
| 2014 | 24.25 | 39.38 | 13.76 |
| 2013 | 38.41 | 70.91 | 25.14 |
| 2012 | 34.44 | 76.64 | 18.76 |
| 2011 | 67.02 | 82.2 | 53.2 |
| 2010 | 0.00 | ||
| 2009 | 0.00 | -1.01 | |
| 2008 | 0.00 | -0.58 | |
| 2007 | 146.05 | 212.12 | 108.07 |
| 2006 | 0.00 | -1.71 | |
| 2005 | 28.91 | 108.72 | 14.94 |
| 2004 | 11.93 | 29.35 | 5.82 |
| 2003 | 6.86 | 10.29 | 5.59 |
| 2002 | 144.73 | 166.23 | 116.3 |
| 2001 | 0.00 | -17.72 | |
| 2000 | 125.56 | 155.8 | 114.88 |
| 1999 | 25.79 | 38.61 | 21.54 |
| 1998 | 47.41 | 88.37 | 33.01 |