| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -.45 | 152 |
| 2015 | -.48 | 152 |
| 2014 | -.42 | 150 |
| 2013 | -.41 | 148 |
| 2012 | -.42 | 149 |
| 2011 | -.38 | 152 |
| 2010 | -.3 | 151 |
| 2009 | -.27 | 147 |
| 2008 | -.3 | 148 |
| 2007 | -.34 | 147 |
| 2006 | -.35 | 150 |
| 2005 | -.33 | 150 |
| 2004 | -1.01 | 176 |
| 2003 | -2.17 | 196 |
| 2002 | -2.13 | 195 |
| 2001 | -2.08 | 192 |
| 2000 | -2.62 | 196 |
| 1999 | -2.67 | 198 |
| 1998 | -2.66 | 198 |
| 1997 | -2.55 | 195 |
| 1996 | -2.39 | 195 |
| 1995 | -2.17 | 193 |
| 1994 | -1.98 | 188 |
| 1993 | -1.86 | 188 |
| 1992 | -1.86 | 190 |
| 1991 | -2.07 | 190 |
| 1990 | -2.22 | 190 |
| 1989 | -2.28 | 191 |
| 1988 | -2.21 | 188 |
| 1987 | -1.96 | 187 |
| 1986 | -1.6 | 185 |