| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 37.62 | 77.67 | 15.09 |
| 2024 | 11.69 | 20.63 | 8.43 |
| 2023 | 11.45 | 16.32 | 2.71 |
| 2022 | 3.24 | 4.99 | 2.4 |
| 2021 | 4.61 | 6.37 | 3.68 |
| 2020 | 4.59 | 6.13 | 3.67 |
| 2019 | 3.9 | 5.44 | 2.97 |
| 2018 | 3.9 | 4.86 | 2.93 |
| 2017 | 5.91 | 7.71 | 4.22 |
| 2016 | 7.81 | 11.06 | 6.01 |
| 2015 | 8.51 | 14.57 | 4.65 |
| 2014 | 4.32 | 9.63 | 2.93 |
| 2013 | 2.69 | 3.65 | 1.94 |
| 2012 | 2.17 | 2.73 | 1.66 |
| 2011 | 3.27 | 3.91 | 2.42 |