近3年:69.8%
近5年:43.5%
近10年:65.7%
所有时间:57%
| 时间 | 平均 | 最高 | 最低 |
|---|---|---|---|
| 2025 | 14.31 | 14.46 | 14.13 |
| 2024 | 13.05 | 16.02 | 11.22 |
| 2023 | 13.4 | 15.31 | 11.37 |
| 2022 | 15.39 | 19.59 | 12.61 |
| 2021 | 16.16 | 18.88 | 13.93 |
| 2020 | 14.29 | 16.72 | 11.55 |
| 2019 | 13.02 | 14.25 | 10.32 |
| 2018 | 12.97 | 15.74 | 10.4 |
| 2017 | 13.18 | 15.18 | 11.9 |
| 2016 | 11.54 | 12.78 | 9.97 |
| 2015 | 13.91 | 18.27 | 10.97 |
| 2014 | 8.7 | 12.73 | 7.81 |
| 2013 | 9.58 | 11.5 | 8.28 |
| 2012 | 10.37 | 11.79 | 8.9 |
| 2011 | 13.23 | 16.34 | 9.77 |
| 2010 | 17.68 | 23.99 | 14.17 |
| 2009 | 20.88 | 27.87 | 13.06 |
| 2008 | 23.18 | 45.9 | 12.03 |
| 2007 | 41.58 | 50.9 | 33.68 |
| 2006 | 18.14 | 33.26 | 12.79 |
| 2005 | 12.78 | 14.13 | 11.71 |