| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2020 | 213.77 | 228.7 | 194.59 |
| 2019 | 260.69 | 431.8 | 125.03 |
| 2018 | 121.63 | 169.4 | 91.96 |
| 2017 | 0 | -80.59 | |
| 2016 | 0 | -67.63 | |
| 2015 | 3911.53 | 11656.9 | 1122.66 |
| 2014 | 117199 | 183701 | 87503.9 |
| 2013 | 26844.81 | 151006 | 55.01 |
| 2012 | 47.51 | 64.15 | 37.22 |
| 2011 | 0 | -4.91 | |
| 2010 | 0 | -58.21 | |
| 2009 | 0 | -83.36 | |
| 2008 | 276.22 | 491.01 | 148.86 |
| 2007 | 299.7 | 575.41 | 136.47 |
| 2006 | 1160.14 | 1335.46 | 880.68 |
| 2005 | 7505.61 | 41613.9 | 34.41 |
| 2004 | 53.86 | 69.75 | 40.65 |
| 2003 | 67.26 | 86.97 | 46.99 |
| 2002 | 74.51 | 101.82 | 58.76 |
| 2001 | 71.88 | 83.66 | 58.15 |
| 2000 | 67.85 | 108.53 | 32.8 |