| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2024 | 13.53 | 16.91 | 10.31 |
| 2023 | 10.55 | 17.54 | 3.66 |
| 2022 | 3.85 | 4.49 | 3.03 |
| 2021 | 4.08 | 5.38 | 2.88 |
| 2020 | 2.37 | 3.59 | 1.68 |
| 2019 | 2.1 | 2.54 | 1.73 |
| 2018 | 2.85 | 4.85 | 1.69 |
| 2017 | 6.31 | 8.11 | 4.46 |
| 2016 | 209.61 | 956.66 | 4.84 |
| 2015 | 255.99 | 843.18 | 111.65 |
| 2014 | 146.21 | 186.86 | 113.92 |
| 2013 | 142.98 | 225.75 | 103.46 |
| 2012 | 177.95 | 231.88 | 130.67 |
| 2011 | 235.84 | 309.67 | 176.03 |
| 2010 | 221.73 | 343.69 | 162.29 |
| 2009 | 138.84 | 239.71 | 47.54 |
| 2008 | 65.42 | 157.51 | 28.13 |
| 2007 | 15.04 | 36.27 | 2.14 |
| 2006 | 2.42 | 3.31 | 1.69 |
| 2005 | 1.93 | 2.58 | 1.5 |
| 2004 | 4.57 | 9.93 | 2.16 |