| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 15.63 | 19.53 | 12.57 |
| 2024 | 8.33 | 24.42 | 3.41 |
| 2023 | 4.68 | 7.54 | 3.56 |
| 2022 | 3.72 | 4.68 | 2.63 |
| 2021 | 4.3 | 6.12 | 3.43 |
| 2020 | 5.64 | 7.22 | 3.57 |
| 2019 | 5.3 | 7.42 | 3.56 |
| 2018 | 4.99 | 7.46 | 3.38 |
| 2017 | 7.1 | 8.49 | 5.65 |
| 2016 | 9.17 | 15.07 | 7.8 |
| 2015 | 12.57 | 21.09 | 7.1 |
| 2014 | 6.6 | 10.96 | 4.19 |
| 2013 | 4.6 | 6.29 | 3.35 |
| 2012 | 3.93 | 4.32 | 3.65 |