| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 55.408 | 88 |
| 2015 | 55.653 | 106 |
| 2014 | 54.208 | 111 |
| 2013 | 54.955 | 110 |
| 2012 | 53.549 | 112 |
| 2011 | 52.021 | 115 |
| 2010 | 51.046 | 126 |
| 2009 | 47.219 | 140 |
| 2008 | 47.146 | 135 |
| 2007 | 42.032 | 151 |
| 2006 | 41.935 | 146 |
| 2005 | 40.889 | 147 |
| 2004 | 43.016 | 137 |
| 2003 | 39.313 | 151 |
| 2002 | 37.814 | 155 |