| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 25.89 | 31.12 | 21.45 |
| 2024 | 22.93 | 32.48 | 16.76 |
| 2023 | 27.53 | 55.95 | 16.76 |
| 2022 | 17.37 | 26.76 | 12.72 |
| 2021 | 16.45 | 29.77 | 11.68 |
| 2020 | 25.24 | 39.78 | 17.41 |
| 2019 | 15.99 | 22.17 | 11.39 |
| 2018 | 16.78 | 22.69 | 11.46 |
| 2017 | 32.22 | 43.76 | 19.16 |
| 2016 | 41.13 | 53.98 | 30.23 |
| 2015 | 50.81 | 102.55 | 27.36 |
| 2014 | 32.67 | 43.26 | 19.66 |
| 2013 | 16.3 | 28.82 | 9.95 |
| 2012 | 11.31 | 14.86 | 9.17 |