| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2015 | 3.55 | 75 |
| 2014 | 7.433 | 20 |
| 2013 | -2.134 | 173 |
| 2012 | 10.042 | 17 |
| 2011 | 2.029 | 137 |
| 2010 | 2.901 | 115 |
| 2009 | -.818 | 115 |
| 2008 | 8.622 | 32 |
| 2007 | 1.254 | 160 |
| 2006 | 1.519 | 149 |
| 2005 | 4 | 109 |
| 2004 | 3.523 | 115 |
| 2003 | 2.425 | 118 |
| 2002 | 3.201 | 91 |
| 2001 | 1.965 | 119 |
| 2000 | 0.026 | 142 |
| 1999 | 7.691 | 20 |
| 1998 | 4.389 | 66 |
| 1997 | -1.583 | 140 |
| 1996 | 3.817 | 72 |
| 1995 | 5.029 | 48 |
| 1994 | 3.514 | 66 |
| 1993 | 1.934 | 81 |
| 1992 | 5.477 | 41 |
| 1991 | -3.723 | 111 |
| 1990 | 7.232 | 25 |
| 1989 | -4.853 | 101 |
| 1988 | 4.847 | 45 |
| 1987 | -3.059 | 103 |
| 1986 | 2.636 | 67 |