| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 67.04 | 84.41 | 43.27 |
| 2024 | 12.26 | 16.6 | 7.21 |
| 2023 | 26.04 | 67.69 | 6.41 |
| 2022 | 7.88 | 12.2 | 3.76 |
| 2021 | 3.85 | 5.97 | 2.15 |
| 2020 | 3.17 | 4.57 | 2.34 |
| 2019 | 2.95 | 4.2 | 1.79 |
| 2018 | 2.84 | 4.27 | 1.86 |
| 2017 | 5.54 | 7.06 | 4.27 |
| 2016 | 6.58 | 8.64 | 5.46 |
| 2015 | 11 | 23.97 | 5.24 |
| 2014 | 5.93 | 7.18 | 4.64 |
| 2013 | 3.33 | 5.3 | 1.5 |
| 2012 | 1.49 | 1.91 | 1.24 |