| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2024 | 20.5 | 25.31 | 16.36 |
| 2023 | 20.15 | 24.9 | 16.48 |
| 2022 | 19.42 | 24.76 | 14.3 |
| 2021 | 0 | -3.37 | |
| 2020 | 275.52 | 330.26 | 245.33 |
| 2019 | 231.53 | 316.73 | 65.29 |
| 2018 | 3.77 | 5.02 | 2.74 |
| 2017 | 5.26 | 6.96 | 3.87 |
| 2016 | 4.3 | 5.41 | 3.29 |
| 2015 | 5.96 | 12.51 | 3.63 |
| 2014 | 5.2 | 7.42 | 3.78 |
| 2013 | 6.66 | 14.44 | 3.82 |
| 2012 | 8.4 | 10.68 | 6.25 |
| 2011 | 11.61 | 16.76 | 7.01 |
| 2010 | 16.31 | 20.58 | 12.27 |
| 2009 | 10.33 | 17.77 | 7.42 |
| 2008 | 10.61 | 24.45 | 4.3 |
| 2007 | 19.07 | 40.26 | 5.21 |
| 2006 | 3.79 | 6.02 | 2.2 |
| 2005 | 2.09 | 3.02 | 1.23 |
| 2004 | 2.83 | 3.45 | 1.98 |
| 2003 | 2.5 | 3.1 | 1.86 |
| 2002 | 3.67 | 3.98 | 2.91 |
| 2001 | 5 | 6.99 | 3.52 |
| 2000 | 9.58 | 11.98 | 6.99 |
| 1999 | 7.25 | 10.15 | 5.59 |