| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 5.42 | 6.32 | 4.92 |
| 2024 | 4.16 | 6.07 | 3.03 |
| 2023 | 5.63 | 6.97 | 4.56 |
| 2022 | 7.63 | 12.21 | 5.95 |
| 2021 | 10.09 | 15.1 | 7.58 |
| 2020 | 13.37 | 28.56 | 5.1 |
| 2019 | 5.68 | 7.74 | 4.85 |
| 2018 | 8.26 | 11.17 | 5.32 |
| 2017 | 14.08 | 18.15 | 10.16 |
| 2016 | 28.89 | 60.12 | 17.18 |
| 2015 | 66.46 | 138.21 | 28.81 |
| 2014 | 31.81 | 43.07 | 20.19 |
| 2013 | 19.73 | 23.42 | 15.47 |