| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2020 | 83.41 | 90.36 | 74.38 |
| 2019 | 23.95 | 88.52 | 5.26 |
| 2018 | 19.6 | 55.42 | 5.26 |
| 2017 | 68.61 | 134.48 | 24.42 |
| 2016 | 118.06 | 236.18 | 23.65 |
| 2015 | 0 | -17.44 | |
| 2014 | 0 | -4.94 | |
| 2013 | 0 | -2.9 | |
| 2012 | 191.77 | 415.49 | 81.11 |
| 2011 | 333.63 | 1004.54 | 14.9 |
| 2010 | 45.52 | 236.62 | 10.3 |
| 2009 | 10.98 | 19.59 | 4.4 |
| 2008 | 11.33 | 27.59 | 3.16 |
| 2007 | 20.15 | 30.74 | 13.29 |
| 2006 | 7.95 | 12.8 | 4.17 |
| 2005 | 4.94 | 7.11 | 3.96 |