| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2024 | 7.32 | 10 | 5.41 |
| 2023 | 12.26 | 22.8 | 7.59 |
| 2022 | 8.53 | 13.06 | 6.97 |
| 2021 | 12.33 | 15.88 | 9.33 |
| 2020 | 14.25 | 17.98 | 11.74 |
| 2019 | 11.45 | 13.75 | 10.29 |
| 2018 | 16.5 | 28.82 | 10.26 |
| 2017 | 42.82 | 85.83 | 25.53 |
| 2016 | 82.32 | 197.24 | 14.57 |
| 2015 | 6.25 | 29.53 | 3.86 |
| 2014 | 4.01 | 4.93 | 3.3 |
| 2013 | 4.11 | 4.94 | 3.66 |
| 2012 | 4.1 | 4.59 | 3.42 |