| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2024 | 50.3 | 65.71 | 32.42 |
| 2023 | 8 | 66.58 | 0.64 |
| 2022 | 1.08 | 2.45 | 0.62 |
| 2021 | 4.02 | 6.57 | 1.81 |
| 2020 | 3.4 | 5.68 | 1.74 |
| 2019 | 2.15 | 3.83 | 1.41 |
| 2018 | 5.86 | 11.74 | 2.11 |
| 2017 | 12.94 | 16.35 | 8.32 |
| 2016 | 26.83 | 79.29 | 15.55 |
| 2015 | 42.17 | 59.26 | 19.07 |
| 2014 | 18.16 | 24.3 | 9.91 |
| 2013 | 11.12 | 13.61 | 8.21 |
| 2012 | 12.43 | 31.69 | 8.21 |
| 2011 | 32.58 | 46.07 | 16.26 |
| 2010 | 14.54 | 23.74 | 8.95 |
| 2009 | 13.8 | 24.21 | 3.27 |
| 2008 | 4.17 | 6.51 | 1.85 |
| 2007 | 11.21 | 21.57 | 5.51 |
| 2006 | 8.89 | 10.46 | 6.8 |
| 2005 | 5.73 | 9.92 | 2.53 |
| 2004 | 5.63 | 9.3 | 3.21 |