| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2024 | 7.07 | 10.21 | 5.66 |
| 2023 | 5.52 | 7.51 | 4.2 |
| 2022 | 11.64 | 27.62 | 6.54 |
| 2021 | 18.18 | 32.97 | 7.07 |
| 2020 | 6.22 | 8.82 | 3.33 |
| 2019 | 6.27 | 8.5 | 3.87 |
| 2018 | 8.97 | 12.56 | 6.66 |
| 2017 | 13.81 | 23.52 | 8.44 |
| 2016 | 668.43 | 2650.36 | 20.58 |
| 2015 | 39.04 | 66.93 | 21.7 |
| 2014 | 13.15 | 35.62 | 8.43 |
| 2013 | 22.31 | 51.86 | 8.2 |
| 2012 | 25.32 | 57.57 | 4.16 |
| 2011 | 17.8 | 50.04 | 4.27 |
| 2010 | 19.42 | 50.22 | 5.9 |
| 2009 | 3.7 | 8.59 | 1.11 |
| 2008 | 1.64 | 2.07 | 0.71 |
| 2007 | 4.23 | 10.75 | 1.78 |
| 2006 | 2.35 | 3.68 | 1.54 |
| 2005 | 1.63 | 2.2 | 0.95 |
| 2004 | 2.15 | 3.85 | 1.15 |