| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 16.54 | 22.98 | 12.48 |
| 2024 | 14.08 | 21.19 | 9.82 |
| 2023 | 13.46 | 18.25 | 8.94 |
| 2022 | 10.84 | 15.47 | 8.02 |
| 2021 | 18.3 | 30.68 | 12.08 |
| 2020 | 33.66 | 64.65 | 20.17 |
| 2019 | 9.63 | 22.48 | 5.62 |
| 2018 | 8.77 | 13.51 | 5.44 |
| 2017 | 12.92 | 16.3 | 10.74 |
| 2016 | 14.26 | 17.25 | 10.82 |
| 2015 | 16.37 | 25.41 | 10.24 |