| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2024 | 1.78 | 2.88 | 1 |
| 2023 | 3.25 | 4.79 | 1.78 |
| 2022 | 5.22 | 8.71 | 3.52 |
| 2021 | 15.85 | 24.35 | 7.41 |
| 2020 | 14.83 | 27.83 | 8.61 |
| 2019 | 11.76 | 20.3 | 7.43 |
| 2018 | 33.27 | 58.07 | 13.47 |
| 2017 | 61.19 | 81.47 | 44.68 |
| 2016 | 43.92 | 71.32 | 22.55 |
| 2015 | 28.62 | 43.81 | 17.04 |
| 2014 | 25.88 | 30.37 | 19.2 |
| 2013 | 22.98 | 28.94 | 18.65 |
| 2012 | 16.33 | 21.72 | 11.58 |
| 2011 | 16.83 | 19.99 | 13.47 |