| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -.97 | 174 |
| 2015 | -.85 | 169 |
| 2014 | -.72 | 160 |
| 2013 | -.69 | 156 |
| 2012 | -.73 | 161 |
| 2011 | -.78 | 162 |
| 2010 | -.88 | 171 |
| 2009 | -1.12 | 176 |
| 2008 | -1.95 | 192 |
| 2007 | -1.76 | 191 |
| 2006 | -.87 | 171 |
| 2005 | -.9 | 172 |
| 2004 | -.85 | 169 |
| 2003 | -1 | 174 |
| 2002 | -1.68 | 192 |
| 2001 | -1.07 | 182 |
| 2000 | 0.2 | 123 |
| 1999 | 0.17 | 126 |
| 1998 | 0.12 | 133 |
| 1997 | 0.04 | 134 |
| 1996 | 0.04 | 133 |
| 1995 | 0.13 | 130 |
| 1994 | 0.19 | 125 |
| 1993 | 0.2 | 127 |
| 1992 | -1.55 | 186 |
| 1991 | -2.4 | 193 |
| 1990 | -1.34 | 181 |
| 1989 | -1.04 | 171 |
| 1988 | -1.01 | 169 |
| 1987 | -1.06 | 174 |
| 1986 | -.98 | 175 |