| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 35.86 | 73.94 | 24.71 |
| 2024 | 8.72 | 50.3 | 2.36 |
| 2023 | 4.08 | 5.14 | 2.9 |
| 2022 | 3.1 | 3.97 | 2.49 |
| 2021 | 2.66 | 3.72 | 1.78 |
| 2020 | 2.33 | 3.32 | 1.95 |
| 2019 | 2.27 | 3.35 | 1.2 |
| 2018 | 4 | 8.53 | 1.26 |
| 2017 | 9.05 | 10.47 | 8.14 |
| 2016 | 10.13 | 18.82 | 7.14 |
| 2015 | 17.28 | 22.09 | 7.5 |
| 2014 | 5.76 | 8.99 | 3.41 |
| 2013 | 3.06 | 3.87 | 2.12 |
| 2012 | 2.82 | 3.91 | 2.12 |
| 2011 | 5.67 | 11.74 | 2.99 |