| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 10.39 | 12.82 | 8.24 |
| 2024 | 12.93 | 24.19 | 7.87 |
| 2023 | 9.28 | 13.99 | 6.99 |
| 2022 | 10.42 | 19.08 | 6.91 |
| 2021 | 8.09 | 17.23 | 3.2 |
| 2020 | 6.29 | 8.62 | 3.68 |
| 2019 | 7.08 | 12.04 | 5.16 |
| 2018 | 5.99 | 8.28 | 4 |
| 2017 | 8.72 | 12.89 | 6.57 |
| 2016 | 6.09 | 9.23 | 3.85 |
| 2015 | 6.65 | 11.69 | 3.81 |
| 2014 | 3.65 | 5.6 | 2.92 |
| 2013 | 4.1 | 5.39 | 3.23 |
| 2012 | 4.88 | 6.35 | 3.79 |