| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2026 | 9.23 | 12.54 | 7.59 |
| 2025 | 8.18 | 10.38 | 6.25 |
| 2024 | 4.01 | 9.42 | 1.75 |
| 2023 | 2.86 | 3.35 | 2.47 |
| 2022 | 3.03 | 4.84 | 2.25 |
| 2021 | 4.28 | 6.76 | 2.86 |
| 2020 | 4.73 | 6.84 | 3.38 |
| 2019 | 5.44 | 7.76 | 4.24 |
| 2018 | 9.88 | 22.88 | 5.04 |
| 2017 | 21.68 | 26.1 | 19.02 |
| 2016 | 17.72 | 25.79 | 13.31 |
| 2015 | 12.67 | 17.64 | 7.98 |