| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2020 | 51.71 | 57.24 | 45.85 |
| 2019 | 41.03 | 58.39 | 22.99 |
| 2018 | 26.36 | 32.72 | 19.59 |
| 2017 | 73.01 | 81.65 | 58.14 |
| 2016 | 84.63 | 100.93 | 64.02 |
| 2015 | 0 | -9.8 | |
| 2014 | 32.84 | 54.04 | 19.93 |
| 2013 | 43.68 | 97.82 | 17.57 |
| 2012 | 93.2 | 140.02 | 52.71 |
| 2011 | 37.79 | 91 | 18.72 |
| 2010 | 329.05 | 601.48 | 29.43 |
| 2009 | 39.03 | 82.9 | 11.91 |
| 2008 | 19.65 | 35.39 | 6.74 |
| 2007 | 119.25 | 490.33 | 23.92 |
| 2006 | 96.25 | 233.26 | 46.34 |
| 2005 | 118.45 | 327.92 | 32.52 |
| 2004 | 162.93 | 351.16 | 53.9 |
| 2003 | 77.18 | 94.82 | 51.94 |
| 2002 | 129.12 | 160.92 | 79.84 |
| 2001 | 74.2 | 96.41 | 51.59 |
| 2000 | 67.38 | 92.19 | 50.89 |