| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2026 | 9.39 | 10.68 | 8.19 |
| 2025 | 8.65 | 10.38 | 5.93 |
| 2024 | 4.95 | 8.55 | 3.52 |
| 2023 | 6.47 | 8.34 | 5.37 |
| 2022 | 4.64 | 7.68 | 3.68 |
| 2021 | 5.16 | 6.21 | 3.96 |
| 2020 | 5.82 | 10.43 | 3.99 |
| 2019 | 4.8 | 6.93 | 3.96 |
| 2018 | 5.25 | 6.79 | 4.06 |
| 2017 | 9.5 | 15.38 | 5.9 |
| 2016 | 35.6 | 70.24 | 14.74 |
| 2015 | 103.12 | 245.05 | 47.49 |