| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 10.04 | 14.65 | 5.46 |
| 2024 | 6.74 | 14.79 | 4.21 |
| 2023 | 8.28 | 10.01 | 7.4 |
| 2022 | 0 | -5.59 | |
| 2021 | 268.58 | 314.78 | 244.57 |
| 2020 | 8.78 | 12.16 | 6.76 |
| 2019 | 4.77 | 9.31 | 1.68 |
| 2018 | 3.08 | 4.68 | 1.49 |
| 2017 | 4.85 | 5.88 | 3.71 |
| 2016 | 5.43 | 7.36 | 4.11 |
| 2015 | 6.81 | 10.71 | 4.55 |
| 2014 | 4.87 | 6.93 | 3.38 |
| 2013 | 3.27 | 4.33 | 2.6 |
| 2012 | 3.31 | 4.1 | 2.36 |
| 2011 | 4.33 | 5.77 | 3.05 |
| 2010 | 5.43 | 6.57 | 4.29 |
| 2009 | 4.08 | 5.41 | 2.64 |
| 2008 | 4.66 | 9.49 | 1.8 |
| 2007 | 9.6 | 13.27 | 6.3 |