| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -4.04 | 168 |
| 2015 | -2.42 | 173 |
| 2014 | -1.69 | 175 |
| 2013 | 6.05 | 17 |
| 2012 | 5.12 | 32 |
| 2011 | 4.96 | 48 |
| 2010 | 2.43 | 104 |
| 2009 | 1.2 | 53 |
| 2008 | 2.76 | 89 |
| 2007 | 5.26 | 71 |
| 2006 | 4.38 | 86 |
| 2005 | 2.54 | 122 |
| 2004 | 0.68 | 169 |
| 2003 | -31.34 | 200 |
| 2002 | 1.33 | 111 |
| 2001 | -.75 | 159 |
| 2000 | 21.93 | 1 |
| 1999 | 13.57 | 5 |
| 1998 | 20.38 | 2 |
| 1997 | 91.65 | 2 |
| 1996 | 6.1 | 32 |
| 1995 | -7.06 | 175 |
| 1994 | -22.25 | 178 |
| 1993 | -32.22 | 179 |
| 1992 | -33.88 | 175 |
| 1991 | -12.69 | 172 |
| 1990 | -50.23 | 164 |
| 1989 | -25.51 | 164 |
| 1988 | -.87 | 129 |
| 1987 | -.51 | 114 |
| 1986 | -2.09 | 126 |