| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2019 | 131.29 | 241.54 | 39.81 |
| 2018 | 69.80 | 96.48 | 40.36 |
| 2017 | 0.00 | -44.61 | |
| 2016 | 0.00 | -125 | |
| 2015 | 124.79 | 270.91 | 56.49 |
| 2014 | 83.26 | 161.29 | 55.41 |
| 2013 | 68.87 | 96.43 | 47.39 |
| 2012 | 39.60 | 52.35 | 26.18 |
| 2011 | 45.76 | 69.54 | 27.95 |
| 2010 | 47.50 | 75.71 | 27.3 |
| 2009 | 30.41 | 40.81 | 13.89 |
| 2008 | 31.99 | 111.4 | 11.5 |
| 2007 | 68.48 | 114.77 | 35.96 |
| 2006 | 27.23 | 38.44 | 18.07 |
| 2005 | 20.71 | 24.03 | 15.54 |
| 2004 | 32.47 | 56.29 | 16.41 |
| 2003 | 46.21 | 60.71 | 31.05 |
| 2002 | 0.00 | -12.37 | |
| 2001 | 0.00 | -12.02 | |
| 2000 | 1,040.08 | 1485.7 | 708.44 |
| 1999 | 85.27 | 140.9 | 47.1 |
| 1998 | 46.58 | 63.89 | 36.84 |