| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -13.09 | 177 |
| 2015 | -12.68 | 186 |
| 2014 | -4.71 | 190 |
| 2013 | -8.13 | 193 |
| 2012 | 3.69 | 48 |
| 2011 | 1.9 | 114 |
| 2010 | -12.95 | 196 |
| 2009 | -3.19 | 129 |
| 2008 | 12.5 | 3 |
| 2007 | 10.12 | 16 |
| 2006 | 2.96 | 123 |
| 2005 | 11.74 | 9 |
| 2004 | 32.25 | 2 |
| 2003 | 9.33 | 15 |
| 2002 | 14.69 | 2 |
| 2001 | 56.88 | 1 |
| 2000 | 13.52 | 3 |
| 1999 | 20.71 | 1 |
| 1998 | 18.96 | 3 |
| 1997 | 140.5 | 1 |
| 1996 | 60.5 | 2 |
| 1995 | 13.36 | 5 |
| 1994 | 12.71 | 3 |
| 1993 | 7.39 | 12 |
| 1992 | 30.45 | 1 |
| 1991 | -4.12 | 145 |
| 1990 | -4.68 | 148 |
| 1989 | -4.05 | 146 |
| 1988 | -.45 | 125 |
| 1987 | 0.65 | 95 |
| 1986 | -6.78 | 150 |