| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2023 | 105.63 | 209.8 | 73.24 |
| 2022 | 81.94 | 123.06 | 55.41 |
| 2021 | 118.46 | 163.5 | 88.96 |
| 2020 | 93.75 | 123.62 | 54.03 |
| 2019 | 23.83 | 58.2 | 11.51 |
| 2018 | 23.99 | 36.31 | 13.65 |
| 2017 | 33.52 | 39.71 | 28.25 |
| 2016 | 27.8 | 31.32 | 24.61 |
| 2015 | 35.11 | 51.05 | 26.46 |
| 2014 | 33.09 | 47.25 | 25.01 |
| 2013 | 31.51 | 43.82 | 17.38 |
| 2012 | 20.51 | 25.55 | 16.31 |
| 2011 | 51.02 | 102.08 | 20.94 |
| 2010 | 92.28 | 142.95 | 69.91 |
| 2009 | 84.7 | 161.52 | 5.89 |
| 2008 | 6.04 | 10.18 | 3.56 |
| 2007 | 0 | -1.27 | |
| 2006 | 0 | -1.25 | |
| 2005 | 48.44 | 1302.57 | 10.5 |
| 2004 | 22.68 | 42.88 | 14.72 |
| 2003 | 41.42 | 57.13 | 30.66 |
| 2002 | 86.95 | 109.28 | 67.57 |
| 2001 | 129.5 | 236.77 | 41.92 |
| 2000 | 18.32 | 21.78 | 14.62 |
| 1999 | 26.49 | 31.21 | 20.67 |
| 1998 | 37.96 | 46.53 | 26.39 |
| 1997 | 32.37 | 55.47 | 20.59 |