| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2026 | 6.17 | 8.11 | 4.99 |
| 2025 | 3.67 | 6.11 | 2.49 |
| 2024 | 2.43 | 3.87 | 1.85 |
| 2023 | 3.1 | 3.52 | 2.76 |
| 2022 | 4.2 | 7.46 | 3.09 |
| 2021 | 3.16 | 6.42 | 2.55 |
| 2020 | 3.55 | 4.76 | 2.65 |
| 2019 | 4.71 | 9.53 | 3.14 |
| 2018 | 4.74 | 7.19 | 3.13 |
| 2017 | 7.68 | 9.97 | 6.04 |
| 2016 | 11.02 | 16.8 | 7.68 |
| 2015 | 10.55 | 14.65 | 6.9 |
| 2014 | 6.33 | 8.25 | 4.85 |
| 2013 | 5.83 | 6.59 | 4.92 |
| 2012 | 5.99 | 7.22 | 4.9 |