| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 0.69 | 152 |
| 2015 | 1.42 | 141 |
| 2014 | 2.77 | 109 |
| 2013 | 5.27 | 52 |
| 2012 | 13.61 | 4 |
| 2011 | 16.33 | 3 |
| 2010 | 15.45 | 3 |
| 2009 | 8.71 | 10 |
| 2008 | -17.67 | 201 |
| 2007 | -3.65 | 201 |
| 2006 | -3.46 | 197 |
| 2005 | -5.71 | 202 |
| 2004 | -5.81 | 203 |
| 2003 | -17 | 201 |
| 2002 | -8.89 | 196 |
| 2001 | 1.44 | 146 |
| 2000 | -3.06 | 194 |
| 1999 | -.82 | 166 |
| 1998 | 2.89 | 129 |
| 1997 | 2.68 | 137 |
| 1996 | 10.36 | 15 |
| 1995 | 0.16 | 160 |
| 1994 | 9.24 | 11 |
| 1993 | 1.05 | 116 |
| 1992 | -9.02 | 163 |
| 1991 | 5.53 | 42 |
| 1990 | 6.99 | 29 |
| 1989 | 5.2 | 49 |
| 1988 | 7.55 | 39 |
| 1987 | 1.15 | 122 |
| 1986 | 2.1 | 109 |