| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -.554 | 128 |
| 2015 | -2.487 | 162 |
| 2014 | 1.252 | 139 |
| 2013 | 1.502 | 137 |
| 2012 | 3.693 | 100 |
| 2011 | 2.569 | 125 |
| 2010 | 3.865 | 100 |
| 2009 | -5.271 | 165 |
| 2008 | 7.12 | 45 |
| 2007 | 13.622 | 15 |
| 2006 | 10.884 | 24 |
| 2005 | 8.028 | 45 |
| 2004 | 5.064 | 89 |
| 2003 | 7.547 | 30 |
| 2002 | 5.54 | 55 |
| 2001 | 3.568 | 89 |
| 2000 | 7.094 | 34 |
| 1999 | 2.249 | 105 |
| 1998 | -3.572 | 150 |
| 1997 | 1.617 | 127 |
| 1996 | -.636 | 136 |
| 1995 | -10.126 | 131 |
| 1994 | -2.485 | 113 |
| 1993 | -19.48 | 127 |
| 1992 | -8.43 | 120 |
| 1991 | -2.572 | 105 |