| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 13.26 | 15.89 | 10.56 |
| 2024 | 7.52 | 19.94 | 3.79 |
| 2023 | 7.37 | 8.96 | 6.25 |
| 2022 | 10.08 | 20.87 | 6.01 |
| 2021 | 20.73 | 62.67 | 8.42 |
| 2020 | 12.17 | 16.25 | 9.24 |
| 2019 | 8.37 | 10.8 | 6.05 |
| 2018 | 7.02 | 10.22 | 4.85 |
| 2017 | 11.13 | 15.01 | 6.79 |
| 2016 | 17.28 | 27.42 | 14.26 |
| 2015 | 25.02 | 44.92 | 14.18 |
| 2014 | 17.05 | 22.32 | 13.71 |
| 2013 | 11.83 | 16.66 | 8.34 |
| 2012 | 10.35 | 14 | 7.43 |
| 2011 | 12.09 | 19.47 | 8.99 |