| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 1.341 | 108 |
| 2015 | 3.422 | 78 |
| 2014 | 3.9 | 83 |
| 2013 | 2.636 | 109 |
| 2012 | 4.407 | 84 |
| 2011 | 5.508 | 69 |
| 2010 | 5.506 | 73 |
| 2009 | -2.087 | 135 |
| 2008 | -.476 | 157 |
| 2007 | 19.054 | 7 |
| 2006 | 8.853 | 39 |
| 2005 | 7.463 | 56 |
| 2004 | 3.267 | 120 |
| 2003 | 7.659 | 27 |
| 2002 | 8.014 | 20 |
| 2001 | 4.918 | 59 |
| 2000 | -4.584 | 152 |
| 1999 | 6.105 | 33 |
| 1998 | -2.132 | 144 |
| 1997 | 1.434 | 129 |
| 1996 | -1.976 | 140 |