| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2026 | 11.88 | 12.78 | 10.35 |
| 2025 | 11.26 | 13.28 | 8.36 |
| 2024 | 6.89 | 14.7 | 5.26 |
| 2023 | 8.93 | 11.9 | 6.3 |
| 2022 | 3.78 | 7.08 | 2.17 |
| 2021 | 3.02 | 4.08 | 2.23 |
| 2020 | 2.82 | 4.71 | 1.74 |
| 2019 | 2.36 | 3.85 | 1.3 |
| 2018 | 1.98 | 2.79 | 1.19 |
| 2017 | 5.12 | 9.47 | 2.6 |
| 2016 | 9.52 | 11.95 | 7.17 |
| 2015 | 11.94 | 23.67 | 5.45 |