| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2026 | 24.4 | 28.01 | 20.17 |
| 2025 | 15.65 | 35.19 | 5.88 |
| 2024 | 12.34 | 30.06 | 4.47 |
| 2023 | 136.48 | 451.34 | 23.85 |
| 2022 | 23.66 | 52.38 | 3.73 |
| 2021 | 2.13 | 3.99 | 1.22 |
| 2020 | 1.85 | 2.26 | 1.58 |
| 2019 | 2.34 | 3.53 | 1.85 |
| 2018 | 5.01 | 13.1 | 2.24 |
| 2017 | 12.13 | 15.51 | 8.53 |
| 2016 | 7.75 | 16.16 | 3.77 |
| 2015 | 4.22 | 7.41 | 2.66 |
| 2014 | 2.51 | 3.21 | 2.06 |
| 2013 | 2.14 | 2.61 | 1.77 |