| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 46.92 | 64.14 | 32.48 |
| 2024 | 27.22 | 50.52 | 19.9 |
| 2023 | 25.56 | 36.56 | 13.83 |
| 2022 | 13.96 | 16.16 | 10.57 |
| 2021 | 10.45 | 13.96 | 7.87 |
| 2020 | 9.38 | 14.08 | 4.51 |
| 2019 | 5.14 | 7.8 | 3.99 |
| 2018 | 6.46 | 9.42 | 4.16 |
| 2017 | 11.74 | 16.12 | 7.94 |
| 2016 | 15.31 | 20.56 | 13.31 |
| 2015 | 40.93 | 100.56 | 17.88 |
| 2014 | 17.36 | 40.74 | 4.76 |
| 2013 | 3.82 | 4.9 | 2.72 |
| 2012 | 4.25 | 5.46 | 2.63 |
| 2011 | 6.02 | 7.98 | 4.86 |
| 2010 | 7.33 | 9.86 | 5.93 |
| 2009 | 7.47 | 9.41 | 4.97 |
| 2008 | 5.89 | 8.48 | 3.25 |