| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 1.989 | 93 |
| 2015 | 3.686 | 73 |
| 2014 | 2.603 | 107 |
| 2013 | 1.384 | 139 |
| 2012 | 0.27 | 154 |
| 2011 | 0.772 | 155 |
| 2010 | 1.739 | 138 |
| 2009 | -3.325 | 153 |
| 2008 | 1.646 | 135 |
| 2007 | 6.22 | 94 |
| 2006 | 4.799 | 107 |
| 2005 | 4.676 | 94 |
| 2004 | 2.893 | 129 |
| 2003 | 3.619 | 96 |
| 2002 | 1.664 | 123 |
| 2001 | 3.7 | 85 |
| 2000 | 4.818 | 77 |
| 1999 | 2.621 | 98 |
| 1998 | 0.688 | 133 |
| 1997 | 0.802 | 135 |
| 1996 | 2.542 | 106 |
| 1995 | 3.956 | 65 |
| 1994 | 2.098 | 85 |