| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 12.08 | 16.42 | 6.52 |
| 2024 | 9.94 | 23.94 | 5.36 |
| 2023 | 11.07 | 12.78 | 9.77 |
| 2022 | 10.62 | 13.98 | 6.75 |
| 2021 | 6.33 | 9.7 | 3.64 |
| 2020 | 4.63 | 8.6 | 3.17 |
| 2019 | 4.89 | 7.7 | 2.36 |
| 2018 | 4.45 | 7.47 | 2.73 |
| 2017 | 7.17 | 8.19 | 5.96 |
| 2016 | 5.96 | 7.78 | 4.38 |
| 2015 | 7.63 | 11.82 | 4.06 |
| 2014 | 5 | 6.66 | 3.77 |
| 2013 | 6.43 | 9.53 | 4.4 |
| 2012 | 7.53 | 11.06 | 4.99 |
| 2011 | 12.75 | 18.11 | 9.13 |