| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -5.11 | 174 |
| 2015 | -.58 | 174 |
| 2014 | -.58 | 180 |
| 2013 | 2.65 | 112 |
| 2012 | 1.29 | 142 |
| 2011 | -.29 | 181 |
| 2010 | 3.32 | 119 |
| 2009 | -4.39 | 162 |
| 2008 | 3.39 | 108 |
| 2007 | 4.75 | 124 |
| 2006 | 13.21 | 7 |
| 2005 | 6.21 | 71 |
| 2004 | 7.95 | 39 |
| 2003 | 14.44 | 4 |
| 2002 | 7.94 | 16 |
| 2001 | 4.17 | 69 |
| 2000 | 6.9 | 32 |
| 1999 | 8.02 | 22 |
| 1998 | 8.12 | 18 |
| 1997 | 7.52 | 33 |
| 1996 | 7.13 | 38 |
| 1995 | 4.66 | 78 |
| 1994 | 3.57 | 97 |
| 1993 | -1.45 | 148 |
| 1992 | -1.65 | 137 |
| 1991 | 2.68 | 78 |
| 1990 | 1.51 | 106 |
| 1989 | -.83 | 142 |
| 1988 | -3.92 | 156 |
| 1987 | -4.56 | 154 |
| 1986 | -3.28 | 149 |