| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 7.05 | 9.34 | 4.14 |
| 2024 | 3.82 | 11.69 | 1.49 |
| 2023 | 7.66 | 12.69 | 3.38 |
| 2022 | 14.39 | 24.54 | 10.17 |
| 2021 | 66.72 | 133.74 | 19.13 |
| 2020 | 30.16 | 70.9 | 4.26 |
| 2019 | 3.52 | 5.9 | 1.71 |
| 2018 | 8.88 | 17.16 | 2.71 |
| 2017 | 29.3 | 59.46 | 12.48 |
| 2016 | 17383.81 | 135709 | 48.66 |
| 2015 | 66683.36 | 176221 | 51.75 |
| 2014 | 29.68 | 64.38 | 6.21 |
| 2013 | 18.06 | 49.26 | 5.61 |
| 2012 | 33.56 | 46.98 | 18.87 |
| 2011 | 46.74 | 85.69 | 21.6 |
| 2010 | 56.76 | 70.51 | 36.74 |
| 2009 | 53.55 | 104.9 | 23.57 |
| 2008 | 22.91 | 77.53 | 6.57 |
| 2007 | 11.19 | 20.51 | 6.94 |
| 2006 | 5.8 | 8.5 | 2.59 |
| 2005 | 2.53 | 2.99 | 1.81 |
| 2004 | 4.35 | 8.39 | 2.64 |