| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 7.28 | 8.36 | 5.84 |
| 2024 | 5.25 | 10.52 | 3.1 |
| 2023 | 16.99 | 39.2 | 6.42 |
| 2022 | 47.47 | 68.59 | 29.19 |
| 2021 | 23.22 | 33.48 | 16.21 |
| 2020 | 17.32 | 21.38 | 11.84 |
| 2019 | 26.29 | 169 | 1.36 |
| 2018 | 2.18 | 3.41 | 0.68 |
| 2017 | 12.12 | 42.04 | 2.97 |
| 2016 | 19.33 | 31.37 | 8.51 |
| 2015 | 11.91 | 26.49 | 5 |
| 2014 | 5.52 | 7.45 | 4.44 |
| 2013 | 4.8 | 5.8 | 3.98 |
| 2012 | 5.76 | 7.13 | 4.25 |
| 2011 | 8.44 | 10.3 | 6.19 |
| 2010 | 10.72 | 13.02 | 9.19 |