| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 62.604 | 58 |
| 2015 | 62.018 | 78 |
| 2014 | 60.888 | 87 |
| 2013 | 60.935 | 86 |
| 2012 | 60.512 | 87 |
| 2011 | 60.071 | 87 |
| 2010 | 60.562 | 90 |
| 2009 | 59.949 | 95 |
| 2008 | 59.534 | 86 |
| 2007 | 59.06 | 90 |
| 2006 | 58.817 | 87 |
| 2005 | 58.334 | 86 |
| 2004 | 57.302 | 92 |
| 2003 | 57.275 | 92 |
| 2002 | 56.786 | 92 |
| 2001 | 56.895 | 94 |