| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2026 | 11.11 | 12.56 | 9.93 |
| 2025 | 8.43 | 13.32 | 4.37 |
| 2024 | 3.46 | 5.92 | 2.46 |
| 2023 | 4.29 | 4.82 | 3.73 |
| 2022 | 4.92 | 6.76 | 3.81 |
| 2021 | 4.11 | 5.53 | 3.36 |
| 2020 | 5.56 | 7.13 | 4.52 |
| 2019 | 4.1 | 6.32 | 2.17 |
| 2018 | 3.53 | 6.46 | 2.12 |
| 2017 | 6.24 | 7.27 | 5.11 |
| 2016 | 8.36 | 10.91 | 6.26 |
| 2015 | 10.18 | 18.77 | 5.57 |
| 2014 | 4.84 | 7.64 | 3.22 |
| 2013 | 3.26 | 4.17 | 2.81 |