| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 5.185 | 33 |
| 2015 | 5.421 | 39 |
| 2014 | 5.067 | 60 |
| 2013 | 4.808 | 68 |
| 2012 | 5.21 | 63 |
| 2011 | 4.34 | 88 |
| 2010 | 5.52 | 72 |
| 2009 | -1.397 | 125 |
| 2008 | 6.015 | 56 |
| 2007 | 4.63 | 123 |
| 2006 | 13.496 | 11 |
| 2005 | 3.976 | 110 |
| 2004 | 2.817 | 131 |
| 2003 | 3.286 | 107 |
| 2002 | 2.267 | 113 |
| 2001 | 3.826 | 83 |
| 2000 | 2.268 | 128 |
| 1999 | 6.36 | 31 |
| 1998 | 4.431 | 64 |
| 1997 | 4.943 | 69 |
| 1996 | 3.892 | 69 |
| 1995 | 4.18 | 60 |