| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2019 | 37.26 | 50.21 | 30.82 |
| 2018 | 42.34 | 54.95 | 30.52 |
| 2017 | 75.59 | 110.36 | 52.69 |
| 2016 | 57.95 | 115.01 | 30.25 |
| 2015 | 61.72 | 108.78 | 39.02 |
| 2014 | 44.94 | 54.99 | 35.76 |
| 2013 | 59.04 | 89.17 | 40.4 |
| 2012 | 143.62 | 414.77 | 52.73 |
| 2011 | 663.10 | 1955.09 | 101.72 |
| 2010 | 80.04 | 147.8 | 51.67 |
| 2009 | 0.00 | -15.32 | |
| 2008 | 57.06 | 80.41 | 32.12 |
| 2007 | 55.93 | 84.36 | 22.6 |
| 2006 | 25.65 | 32.8 | 21.08 |
| 2005 | 32.14 | 38.11 | 26.69 |
| 2004 | 32.51 | 40.87 | 15.65 |
| 2003 | 32.34 | 39.23 | 25.32 |
| 2002 | 32.66 | 39.95 | 23.88 |
| 2001 | 67.89 | 103.64 | 49.99 |