| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 0 | -17.25 | |
| 2024 | 48.12 | 58.55 | 34.95 |
| 2023 | 42.75 | 66.73 | 13.12 |
| 2022 | 12.82 | 21.81 | 3.37 |
| 2021 | 4.01 | 9.05 | 1.05 |
| 2020 | 1.51 | 2.5 | 0.69 |
| 2019 | 1.13 | 1.67 | 0.85 |
| 2018 | 1.94 | 2.56 | 1.06 |
| 2017 | 3.34 | 4.14 | 2.56 |
| 2016 | 7.92 | 20.19 | 3.48 |
| 2015 | 10.9 | 21.96 | 5.53 |
| 2014 | 3.39 | 5.53 | 2.44 |
| 2013 | 3.2 | 3.95 | 2.64 |
| 2012 | 2.62 | 3.33 | 2 |
| 2011 | 3.56 | 4.52 | 2.85 |