| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 13.77 | 18.12 | 10.67 |
| 2024 | 13.36 | 17.22 | 9.82 |
| 2023 | 23.32 | 35.5 | 15.61 |
| 2022 | 29.81 | 37.68 | 21.91 |
| 2021 | 49.49 | 77.57 | 35.45 |
| 2020 | 47.07 | 63.7 | 32.84 |
| 2019 | 31.79 | 49.85 | 20.14 |
| 2018 | 25.41 | 32.87 | 18.97 |
| 2017 | 19.88 | 24.21 | 18.1 |
| 2016 | 21.25 | 28.29 | 18.26 |
| 2015 | 30.02 | 46.18 | 19.19 |