| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -5.45 | 173 |
| 2015 | -.99 | 161 |
| 2014 | -1.03 | 167 |
| 2013 | 2.15 | 90 |
| 2012 | 0.78 | 125 |
| 2011 | -.79 | 170 |
| 2010 | 2.82 | 97 |
| 2009 | -4.84 | 156 |
| 2008 | 2.91 | 85 |
| 2007 | 4.26 | 96 |
| 2006 | 12.67 | 7 |
| 2005 | 5.68 | 45 |
| 2004 | 7.41 | 35 |
| 2003 | 13.89 | 3 |
| 2002 | 7.48 | 15 |
| 2001 | 3.81 | 43 |
| 2000 | 6.63 | 26 |
| 1999 | 7.83 | 16 |
| 1998 | 7.96 | 16 |
| 1997 | 7.33 | 24 |
| 1996 | 6.85 | 27 |
| 1995 | 4.27 | 50 |
| 1994 | 3.08 | 65 |
| 1993 | -2 | 134 |
| 1992 | -2.25 | 128 |
| 1991 | 2.01 | 60 |
| 1990 | 0.82 | 91 |
| 1989 | -1.54 | 131 |
| 1988 | -4.69 | 152 |
| 1987 | -5.46 | 151 |
| 1986 | -4.35 | 144 |