| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 2.285 | 88 |
| 2015 | 1.629 | 125 |
| 2014 | -.915 | 165 |
| 2013 | -4.687 | 175 |
| 2012 | -.788 | 161 |
| 2011 | 2.511 | 128 |
| 2010 | 2.336 | 120 |
| 2009 | 0.768 | 96 |
| 2008 | 5.462 | 63 |
| 2007 | 4.928 | 118 |
| 2006 | 5.473 | 92 |
| 2005 | 2.011 | 140 |
| 2004 | 5.338 | 80 |
| 2003 | 2.84 | 112 |
| 2002 | 2.531 | 108 |
| 2001 | 4.13 | 77 |
| 2000 | 7.675 | 27 |
| 1999 | 5.457 | 44 |
| 1998 | 5.937 | 33 |
| 1997 | 4.125 | 84 |
| 1996 | 2.298 | 109 |
| 1995 | 15.365 | 3 |
| 1994 | 8.085 | 19 |
| 1993 | 1.968 | 80 |
| 1992 | 10.145 | 10 |
| 1991 | 2.392 | 64 |
| 1990 | 9.969 | 14 |
| 1989 | 10.788 | 9 |
| 1988 | 8.857 | 18 |
| 1987 | 7.137 | 26 |
| 1986 | 5.021 | 35 |