| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2020 | 138.96 | 161.29 | 120.25 |
| 2019 | 189.55 | 412.89 | 43.42 |
| 2018 | 47.5 | 98.3 | 17.01 |
| 2017 | 63.16 | 162.74 | 22.38 |
| 2016 | 0 | -7.23 | |
| 2015 | 0 | -12.79 | |
| 2014 | 0 | -2.49 | |
| 2013 | 0 | -2.5 | |
| 2012 | 16.43 | 18.86 | 13.75 |
| 2011 | 96.66 | 419.77 | 14.6 |
| 2010 | 161.81 | 181.98 | 147.42 |
| 2009 | 117.43 | 166.72 | 67.25 |
| 2008 | 94.01 | 148.99 | 48.89 |
| 2007 | 89.33 | 117.35 | 57.89 |
| 2006 | 48.79 | 66.07 | 33.4 |
| 2005 | 35.93 | 43.4 | 30.83 |
| 2004 | 44.57 | 62.62 | 32.69 |
| 2003 | 57.12 | 69.85 | 46.81 |
| 2002 | 72.85 | 82.5 | 57.14 |