| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 10.76 | 13.88 | 7.65 |
| 2024 | 5.71 | 11.2 | 3.04 |
| 2023 | 10.87 | 15.42 | 8.33 |
| 2022 | 12.57 | 15.97 | 9.44 |
| 2021 | 8.65 | 15.66 | 5.91 |
| 2020 | 13.4 | 19.05 | 9.96 |
| 2019 | 2.28 | 14.48 | 0.37 |
| 2018 | 0.72 | 1.29 | 0.47 |
| 2017 | 8.31 | 26.08 | 1.09 |
| 2016 | 22.24 | 30.24 | 12.48 |
| 2015 | 8.45 | 19.31 | 4.09 |
| 2014 | 4.15 | 5.49 | 3.19 |
| 2013 | 2.95 | 3.85 | 2.23 |
| 2012 | 3.34 | 4.04 | 2.56 |