| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 46.53 | 53.92 | 37.08 |
| 2024 | 28.55 | 66.19 | 15.7 |
| 2023 | 22.06 | 30.05 | 16.87 |
| 2022 | 18.24 | 28.58 | 12.09 |
| 2021 | 9.88 | 26.53 | 4.09 |
| 2020 | 6.15 | 9.86 | 3.89 |
| 2019 | 4.31 | 5.45 | 3.55 |
| 2018 | 4.31 | 5.61 | 2.98 |
| 2017 | 6.01 | 7.81 | 4.9 |
| 2016 | 8.55 | 10.92 | 4.82 |
| 2015 | 5.85 | 11.69 | 3.24 |
| 2014 | 3.54 | 5.17 | 2.24 |
| 2013 | 1.88 | 2.56 | 1.43 |
| 2012 | 1.71 | 2.13 | 1.32 |