| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -1.592 | 132 |
| 2015 | -1.671 | 161 |
| 2014 | 1.243 | 140 |
| 2013 | 5.048 | 64 |
| 2012 | 5.842 | 57 |
| 2011 | 5.017 | 75 |
| 2010 | -2.233 | 167 |
| 2009 | 2.09 | 78 |
| 2008 | 2.644 | 117 |
| 2007 | 9.238 | 45 |
| 2006 | 7.406 | 60 |
| 2005 | 4.122 | 106 |
| 2004 | 1.996 | 141 |
| 2003 | 1.648 | 126 |
| 2002 | 2.768 | 102 |
| 2001 | 6.104 | 32 |
| 2000 | 2.512 | 123 |
| 1999 | 1.883 | 112 |
| 1998 | -1.177 | 141 |
| 1997 | 7.434 | 33 |
| 1996 | -.466 | 135 |
| 1995 | 2.881 | 78 |
| 1994 | 2.227 | 84 |
| 1993 | 2.703 | 68 |
| 1992 | 3.839 | 58 |
| 1991 | -.766 | 99 |
| 1990 | 3.58 | 60 |