| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 30.73 | 36.43 | 21.91 |
| 2024 | 13.84 | 42.22 | 8.33 |
| 2023 | 15.09 | 19.74 | 10.02 |
| 2022 | 11.75 | 17.35 | 9.13 |
| 2021 | 12.14 | 16.24 | 9.67 |
| 2020 | 15.27 | 21.35 | 11.97 |
| 2019 | 14.96 | 20.19 | 9.98 |
| 2018 | 12.65 | 19.53 | 9.5 |
| 2017 | 21.16 | 30.82 | 12.8 |
| 2016 | 38.69 | 73.4 | 30.18 |
| 2015 | 45.82 | 101.3 | 15.06 |
| 2014 | 13.93 | 22.47 | 9.66 |
| 2013 | 9.22 | 11.62 | 7.16 |