| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2020 | 51.1 | 58.15 | 45.27 |
| 2019 | 52.77 | 79.09 | 34.33 |
| 2018 | 72.65 | 120.12 | 44.94 |
| 2017 | 111.9 | 136.14 | 79.35 |
| 2016 | 134.14 | 166.4 | 106.8 |
| 2015 | 124.27 | 213.52 | 66.48 |
| 2014 | 76.67 | 102.58 | 58.08 |
| 2013 | 47.66 | 78.06 | 12.51 |
| 2012 | 17.23 | 24.05 | 11.31 |
| 2011 | 31.2 | 82.23 | 18.65 |
| 2010 | 0 | -28.08 | |
| 2009 | 20.39 | 26.08 | 15.49 |
| 2008 | 24.36 | 53.41 | 12.16 |
| 2007 | 0 | -6.17 | |
| 2006 | 0 | -5.19 | |
| 2005 | 126.67 | 171.33 | 90.59 |
| 2004 | 102.29 | 168.34 | 65.7 |
| 2003 | 69.62 | 87.47 | 58.35 |
| 2002 | 53.6 | 62.23 | 38.89 |
| 2001 | 44.06 | 58.46 | 34.66 |
| 2000 | 36.75 | 40.79 | 28.55 |
| 1999 | 36.63 | 46.21 | 28 |
| 1998 | 54.09 | 90.56 | 40.93 |