| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2020 | 0 | -12.33 | |
| 2019 | 17.86 | 22.38 | 13.66 |
| 2018 | 42.01 | 114.22 | 10.87 |
| 2017 | 63.57 | 120.16 | 34.8 |
| 2016 | 47.98 | 81.51 | 35.07 |
| 2015 | 52.41 | 96.9 | 17.87 |
| 2014 | 17.18 | 20.28 | 14.36 |
| 2013 | 20.77 | 27.02 | 16.75 |
| 2012 | 28.37 | 40.53 | 19.72 |
| 2011 | 60.51 | 105.37 | 25.02 |
| 2010 | 97.65 | 125.54 | 73.22 |
| 2009 | 61.44 | 114.33 | 21.65 |
| 2008 | 34.88 | 72.26 | 15.48 |
| 2007 | 41.22 | 63.29 | 17.17 |
| 2006 | 16.89 | 21.23 | 13.28 |
| 2005 | 18.67 | 29.43 | 11.86 |
| 2004 | 38.16 | 55.33 | 25.59 |
| 2003 | 61.8 | 80.78 | 37.47 |
| 2002 | 111.37 | 132.69 | 76.3 |
| 2001 | 77.8 | 97.2 | 58.9 |
| 2000 | 44.43 | 55.01 | 29.96 |
| 1999 | 43.84 | 71.82 | 34.73 |