| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 1.4 | 95 |
| 2015 | 3.36 | 45 |
| 2014 | -3.69 | 185 |
| 2013 | -3.75 | 188 |
| 2012 | 0.53 | 132 |
| 2011 | 2.2 | 105 |
| 2010 | 2.87 | 95 |
| 2009 | 1.47 | 50 |
| 2008 | -2 | 181 |
| 2007 | -1.49 | 191 |
| 2006 | 0.32 | 177 |
| 2005 | 2.53 | 123 |
| 2004 | -3.01 | 195 |
| 2003 | 1.99 | 117 |
| 2002 | 0.77 | 127 |
| 2001 | 2 | 86 |
| 2000 | 4.94 | 47 |
| 1999 | 1.78 | 97 |
| 1998 | 3.21 | 78 |
| 1997 | -6.2 | 185 |
| 1996 | -3.82 | 182 |
| 1995 | 5.59 | 32 |
| 1994 | -2.53 | 151 |
| 1993 | 5.52 | 23 |
| 1992 | 1.33 | 72 |
| 1991 | 4.74 | 28 |
| 1990 | 1.33 | 82 |
| 1989 | 1.25 | 91 |
| 1988 | 0.32 | 116 |
| 1987 | -1.13 | 121 |