| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 39.72 | 54.52 | 31.23 |
| 2024 | 18.54 | 51.54 | 9.15 |
| 2023 | 13.55 | 17.5 | 9.97 |
| 2022 | 13.15 | 16.55 | 7.96 |
| 2021 | 10.73 | 18.34 | 6.61 |
| 2020 | 19.56 | 27.59 | 10.4 |
| 2019 | 14.13 | 20.48 | 4.5 |
| 2018 | 6.2 | 8.74 | 4.51 |
| 2017 | 9.43 | 13.37 | 7.13 |
| 2016 | 16.04 | 18.64 | 12.23 |
| 2015 | 17.65 | 38.89 | 10 |
| 2014 | 8.83 | 19.05 | 4.09 |
| 2013 | 4.54 | 6.66 | 3.11 |
| 2012 | 2.97 | 3.43 | 2.56 |