| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 2.39 | 2.85 | 1.98 |
| 2024 | 2.56 | 3.67 | 1.82 |
| 2023 | 9 | 34.26 | 2.26 |
| 2022 | 18.02 | 24.78 | 12.5 |
| 2021 | 21.12 | 31.98 | 15.11 |
| 2020 | 43.67 | 81.27 | 23.99 |
| 2019 | 640.9 | 2241.99 | 30.33 |
| 2018 | 20.11 | 33.55 | 9.02 |
| 2017 | 31.59 | 41.29 | 21.31 |
| 2016 | 34.06 | 46 | 17.89 |
| 2015 | 12.9 | 28.55 | 5.95 |
| 2014 | 5.86 | 8.86 | 3.96 |
| 2013 | 4.63 | 5.93 | 3.51 |
| 2012 | 3.98 | 6 | 2.54 |
| 2011 | 4.12 | 5.83 | 2.51 |
| 2010 | 3.49 | 5.82 | 2.12 |
| 2009 | 2.93 | 4.41 | 1.2 |
| 2008 | 2.84 | 7.17 | 0.91 |
| 2007 | 6.18 | 10.71 | 3.42 |
| 2006 | 2.88 | 4.81 | 1.32 |
| 2005 | 1.64 | 2.46 | 1.15 |