| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 17.07 | 20.44 | 13.58 |
| 2024 | 8.72 | 29.43 | 3.41 |
| 2023 | 2.35 | 5.45 | 1.59 |
| 2022 | 3.45 | 5.56 | 2.14 |
| 2021 | 3.69 | 5.13 | 2.09 |
| 2020 | 7.78 | 13.58 | 4.13 |
| 2019 | 3.75 | 5.5 | 2.6 |
| 2018 | 4.25 | 6.24 | 2.76 |
| 2017 | 7.08 | 12 | 4.56 |
| 2016 | 14.31 | 21.16 | 11.15 |
| 2015 | 19.63 | 37.47 | 8.69 |
| 2014 | 8.68 | 10.8 | 5.06 |
| 2013 | 4.62 | 7.52 | 3.08 |
| 2012 | 3.73 | 5.08 | 2.72 |
| 2011 | 7.16 | 10.4 | 4.37 |
| 2010 | 8.99 | 11.68 | 7.17 |