| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 9.59 | 11.22 | 6.89 |
| 2024 | 10.43 | 24.19 | 4.71 |
| 2023 | 31.25 | 40.34 | 22.6 |
| 2022 | 41.48 | 79.05 | 27.16 |
| 2021 | 32.07 | 51.79 | 22.85 |
| 2020 | 17.65 | 39.58 | 10.24 |
| 2019 | 11.59 | 13.74 | 8.81 |
| 2018 | 10.87 | 15.38 | 7.53 |
| 2017 | 12.14 | 14.77 | 9.77 |
| 2016 | 9.36 | 14.93 | 5.97 |
| 2015 | 182.22 | 883.68 | 14.1 |
| 2014 | 416.8 | 817.82 | 30.1 |
| 2013 | 15.05 | 30.1 | 7.68 |
| 2012 | 24.74 | 37.45 | 14.87 |
| 2011 | 45 | 77.2 | 17.23 |
| 2010 | 34.42 | 45.82 | 21.26 |
| 2009 | 50.96 | 84.31 | 31.75 |
| 2008 | 73.21 | 231.32 | 25.39 |
| 2007 | 61.9 | 147.72 | 1.74 |
| 2006 | 1.42 | 2.03 | 0.71 |
| 2005 | 0.82 | 1 | 0.53 |
| 2004 | 2.01 | 3.77 | 1.01 |