| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2020 | 757.47 | 806.06 | 658.03 |
| 2019 | 0 | -129.54 | |
| 2018 | 853.78 | 1202.03 | 706.17 |
| 2017 | 1086.82 | 1527.8 | 852.95 |
| 2016 | 2151.47 | 2485.91 | 1704.43 |
| 2015 | 1850.92 | 2921.56 | 834.32 |
| 2014 | 1878.27 | 4788.96 | 8.84 |
| 2013 | 9.44 | 12.07 | 7.53 |
| 2012 | 0 | -37.95 | |
| 2011 | 18 | 19.93 | 16.39 |
| 2010 | 19.58 | 25.54 | 17.06 |
| 2009 | 0 | -1.32 | |
| 2008 | 0 | -0.89 | |
| 2007 | 99.62 | 188.95 | 41.75 |
| 2006 | 43.97 | 61.45 | 34.04 |
| 2005 | 30.32 | 38.3 | 17.56 |