| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 10.51 | 11.11 | 9.26 |
| 2024 | 9.35 | 10.9 | 7.94 |
| 2023 | 11.09 | 12.87 | 8.73 |
| 2022 | 9.38 | 14.46 | 7.46 |
| 2021 | 16.88 | 22.85 | 12.22 |
| 2020 | 16.09 | 21.94 | 11.51 |
| 2019 | 9.67 | 13.62 | 6.75 |
| 2018 | 11.75 | 14.87 | 7.49 |
| 2017 | 12.62 | 16.07 | 9.91 |
| 2016 | 11.17 | 12.3 | 9.71 |
| 2015 | 11.28 | 15.06 | 9.16 |