| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 10.06 | 10.87 | 8.4 |
| 2024 | 5.52 | 12.12 | 2.58 |
| 2023 | 3.96 | 4.77 | 3.34 |
| 2022 | 4.57 | 6.21 | 3.19 |
| 2021 | 6.02 | 7.81 | 4.66 |
| 2020 | 3.74 | 8.77 | 2 |
| 2019 | 2.89 | 3.79 | 2.34 |
| 2018 | 3.36 | 5.06 | 1.96 |
| 2017 | 21.75 | 85.07 | 4.61 |
| 2016 | 24.25 | 34.52 | 19.16 |
| 2015 | 26.36 | 73.66 | 4.5 |
| 2014 | 3.76 | 5.7 | 2.77 |
| 2013 | 2.53 | 3.11 | 2.16 |
| 2012 | 2.71 | 3.55 | 1.9 |