| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 13.21 | 20.98 | 9.48 |
| 2024 | 5.18 | 13.85 | 2.61 |
| 2023 | 5.1 | 6.42 | 4.18 |
| 2022 | 5.07 | 8.23 | 4.09 |
| 2021 | 5.8 | 7.02 | 4.65 |
| 2020 | 7.93 | 10.53 | 6.4 |
| 2019 | 8.43 | 10.96 | 7.25 |
| 2018 | 9.84 | 13.14 | 7.75 |
| 2017 | 10.33 | 13.08 | 8.12 |
| 2016 | 14.62 | 24.26 | 10.93 |
| 2015 | 16.03 | 27.57 | 8.23 |
| 2014 | 11.38 | 15.18 | 6.07 |
| 2013 | 5.34 | 7.25 | 3.81 |
| 2012 | 5.49 | 7.25 | 3.76 |