| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 1.873 | 97 |
| 2015 | 1.689 | 124 |
| 2014 | 0.329 | 156 |
| 2013 | 0.99 | 142 |
| 2012 | 1.019 | 141 |
| 2011 | 2.995 | 113 |
| 2010 | 0.747 | 153 |
| 2009 | -2.986 | 145 |
| 2008 | 2.012 | 128 |
| 2007 | 3.626 | 137 |
| 2006 | 3.286 | 129 |
| 2005 | 1.221 | 150 |
| 2004 | 0.695 | 157 |
| 2003 | -.802 | 152 |
| 2002 | 1.218 | 130 |
| 2001 | 3.292 | 92 |
| 2000 | 2.821 | 116 |
| 1999 | 2.349 | 101 |
| 1998 | 3.13 | 96 |
| 1997 | 2.145 | 120 |
| 1996 | 2.937 | 95 |
| 1995 | 3.371 | 72 |
| 1994 | 2.254 | 83 |
| 1993 | 1.634 | 84 |
| 1992 | 3.573 | 63 |