| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2026 | 22.84 | 26.97 | 19.33 |
| 2025 | 26.74 | 42.71 | 17.3 |
| 2024 | 24.18 | 42.39 | 14.32 |
| 2023 | 34.27 | 61.84 | 27.12 |
| 2022 | 35.68 | 42.1 | 29.98 |
| 2021 | 27.92 | 51.3 | 20.98 |
| 2020 | 19.53 | 26.66 | 9.91 |
| 2019 | 10.33 | 15.64 | 7.7 |
| 2018 | 11.22 | 18.05 | 6.94 |
| 2017 | 21.86 | 27.23 | 15.46 |
| 2016 | 28.85 | 38.07 | 24.69 |