| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 3.374 | 57 |
| 2015 | 3.495 | 76 |
| 2014 | 1.806 | 131 |
| 2013 | 2.442 | 115 |
| 2012 | 4.517 | 79 |
| 2011 | 4.745 | 82 |
| 2010 | 5.675 | 67 |
| 2009 | -3.901 | 158 |
| 2008 | 2.572 | 118 |
| 2007 | 4.286 | 126 |
| 2006 | 5.314 | 96 |
| 2005 | 3.883 | 112 |
| 2004 | 4.467 | 100 |
| 2003 | 1.391 | 131 |
| 2002 | 0.242 | 147 |
| 2001 | -.205 | 144 |
| 2000 | 5.918 | 45 |
| 1999 | 3.322 | 89 |
| 1998 | 4.294 | 68 |
| 1997 | 5.818 | 52 |
| 1996 | 3.751 | 75 |
| 1995 | -4.475 | 122 |
| 1994 | 4.958 | 46 |
| 1993 | 5.174 | 41 |
| 1992 | 3.776 | 59 |
| 1991 | 4.769 | 41 |
| 1990 | 4.348 | 51 |
| 1989 | 3.879 | 56 |
| 1988 | 1.292 | 84 |
| 1987 | 1.346 | 84 |
| 1986 | -2.16 | 93 |