| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2020 | 25.95 | 28.28 | 23.32 |
| 2019 | 24.87 | 31.89 | 21.4 |
| 2018 | 44.88 | 92.53 | 22.65 |
| 2017 | 164.63 | 1156.41 | 87.45 |
| 2016 | 0 | -23.41 | |
| 2015 | 668.66 | 1055.11 | 433.05 |
| 2014 | 224.42 | 521.23 | 92.99 |
| 2013 | 101.09 | 153.71 | 88.65 |
| 2012 | 103.97 | 192.95 | 64.72 |
| 2011 | 181.65 | 305.8 | 72.48 |
| 2010 | 0 | -12.87 | |
| 2009 | 53.13 | 130.51 | 8.72 |
| 2008 | 19.24 | 46.88 | 5.92 |
| 2007 | 40.38 | 79.33 | 23.37 |
| 2006 | 10.78 | 22.1 | 5.22 |
| 2005 | 5.28 | 6.43 | 2.36 |
| 2004 | 9.78 | 17.8 | 5.64 |
| 2003 | 18.3 | 27.43 | 13.97 |
| 2002 | 27.85 | 33.79 | 22.45 |