| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 19.98 | 74.93 | 2.87 |
| 2024 | 22.57 | 44.2 | 11.6 |
| 2023 | 10.09 | 36.55 | 2.94 |
| 2022 | 3.9 | 4.91 | 2.72 |
| 2021 | 4.15 | 7.67 | 2.46 |
| 2020 | 3.77 | 4.57 | 3.06 |
| 2019 | 4.61 | 5.78 | 3.86 |
| 2018 | 5.12 | 7.94 | 2.86 |
| 2017 | 9.41 | 14.85 | 7.19 |
| 2016 | 10.69 | 19.98 | 4.06 |
| 2015 | 4.12 | 7.09 | 2.53 |
| 2014 | 1.89 | 2.95 | 1.26 |
| 2013 | 1.2 | 1.54 | 0.94 |
| 2012 | 0.99 | 1.22 | 0.78 |
| 2011 | 1.29 | 1.7 | 0.85 |
| 2010 | 2.38 | 3.45 | 1.45 |
| 2009 | 1.69 | 2.9 | 0.81 |
| 2008 | 1.07 | 1.78 | 0.52 |