| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 8.39 | 9.77 | 7.54 |
| 2024 | 6.58 | 9.35 | 4.85 |
| 2023 | 12.37 | 17.26 | 7.11 |
| 2022 | 11.85 | 17.76 | 8.32 |
| 2021 | 27.46 | 41.95 | 16.87 |
| 2020 | 16.43 | 31.45 | 8.73 |
| 2019 | 7.24 | 10.75 | 3.86 |
| 2018 | 6.8 | 10.24 | 3.48 |
| 2017 | 15.44 | 24.05 | 9.2 |
| 2016 | 14.26 | 23.99 | 7.38 |
| 2015 | 98.09 | 407.06 | 15.63 |
| 2014 | 27.01 | 49.78 | 17.11 |
| 2013 | 17.77 | 23.49 | 13.27 |
| 2012 | 16.16 | 22.23 | 11.34 |