| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 16.08 | 19.68 | 13.62 |
| 2024 | 13.92 | 21 | 8.51 |
| 2023 | 23.49 | 30.5 | 18.62 |
| 2022 | 29.09 | 50.62 | 19.22 |
| 2021 | 42.49 | 62.84 | 26.03 |
| 2020 | 47.4 | 56.73 | 38.25 |
| 2019 | 53.41 | 91.76 | 39.74 |
| 2018 | 36.67 | 71.4 | 16.35 |
| 2017 | 18.72 | 36.25 | 10.82 |
| 2016 | 23.55 | 45.09 | 14.02 |
| 2015 | 31.8 | 44.02 | 23.22 |
| 2014 | 17.32 | 27.94 | 10.65 |
| 2013 | 13.27 | 17.64 | 10.09 |
| 2012 | 19.76 | 28.43 | 12.94 |
| 2011 | 38.8 | 52.71 | 22.2 |
| 2010 | 21.43 | 29.69 | 13.59 |
| 2009 | 14.65 | 22.42 | 7.25 |
| 2008 | 9.65 | 15.05 | 5.06 |
| 2007 | 12.7 | 16.91 | 9.27 |
| 2006 | 8.54 | 11.62 | 6.99 |
| 2005 | 5.97 | 9.88 | 4.38 |
| 2004 | 7.7 | 15.41 | 4.3 |