| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 2.8 | 3.29 | 2.25 |
| 2024 | 4.06 | 7.58 | 2.47 |
| 2023 | 8.83 | 13.91 | 3.29 |
| 2022 | 33.76 | 100.07 | 8.36 |
| 2021 | 37.17 | 89.18 | 24.43 |
| 2020 | 40.34 | 68.09 | 19.6 |
| 2019 | 19.92 | 27.79 | 14.81 |
| 2018 | 31.03 | 51.84 | 10.53 |
| 2017 | 346.62 | 1037.23 | 50.57 |
| 2016 | 289.72 | 1137.31 | 8.94 |
| 2015 | 7.91 | 17.09 | 3.27 |
| 2014 | 2.12 | 4.5 | 1.14 |
| 2013 | 1.27 | 1.57 | 1.03 |
| 2012 | 1.36 | 1.72 | 1.08 |
| 2011 | 2.1 | 2.57 | 1.36 |
| 2010 | 2.02 | 3.17 | 1.27 |
| 2009 | 2.14 | 3.75 | 0.78 |
| 2008 | 1.02 | 1.72 | 0.52 |
| 2007 | 1.16 | 1.78 | 0.5 |
| 2006 | 0.57 | 0.99 | 0.32 |