| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 57.17 | 118.01 | 22.93 |
| 2024 | 17.16 | 31.34 | 11.97 |
| 2023 | 14.53 | 19.38 | 3.21 |
| 2022 | 3.6 | 5.28 | 2.76 |
| 2021 | 4.88 | 6.68 | 3.97 |
| 2020 | 4.86 | 6.6 | 3.81 |
| 2019 | 4.1 | 5.76 | 3.14 |
| 2018 | 4.39 | 5.7 | 3.09 |
| 2017 | 7.13 | 9.84 | 4.85 |
| 2016 | 9.55 | 12.91 | 7.02 |
| 2015 | 10.17 | 18.53 | 5.48 |
| 2014 | 4.83 | 10.36 | 3.3 |
| 2013 | 3.56 | 4.39 | 2.85 |
| 2012 | 3.31 | 4.5 | 2.44 |
| 2011 | 5.95 | 8.56 | 3.98 |