| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 14.89 | 17.73 | 11.74 |
| 2024 | 10.18 | 19.03 | 2.87 |
| 2023 | 7.07 | 9.75 | 5.55 |
| 2022 | 8.07 | 11.25 | 6.07 |
| 2021 | 8.93 | 11.48 | 6.67 |
| 2020 | 10.93 | 14.59 | 8.27 |
| 2019 | 8.34 | 16.03 | 4.24 |
| 2018 | 7.69 | 11.9 | 3.98 |
| 2017 | 11.25 | 14.57 | 9.2 |
| 2016 | 16.65 | 26.08 | 13.34 |
| 2015 | 22.31 | 43.85 | 11.51 |
| 2014 | 17.02 | 23.27 | 13.46 |
| 2013 | 16.21 | 20.56 | 12.76 |
| 2012 | 12.78 | 15.69 | 9.9 |