| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2024 | 2.37 | 4.23 | 1.6 |
| 2023 | 4.65 | 11.06 | 1.88 |
| 2022 | 14.35 | 25.14 | 9.4 |
| 2021 | 31.26 | 52.25 | 21.8 |
| 2020 | 14.53 | 28.89 | 8.15 |
| 2019 | 6.1 | 8.1 | 4.98 |
| 2018 | 9.42 | 16.5 | 5.63 |
| 2017 | 13.63 | 23.32 | 7.66 |
| 2016 | 13.02 | 20.25 | 7.95 |
| 2015 | 10.88 | 21.81 | 6.15 |
| 2014 | 8.65 | 11.67 | 6.06 |
| 2013 | 5.25 | 6.33 | 4.4 |
| 2012 | 6.56 | 8.64 | 4.08 |
| 2011 | 9.69 | 12.6 | 6.81 |