| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -4.99 | 121 |
| 2015 | 6.82 | 24 |
| 2014 | -1.61 | 149 |
| 2013 | 2.88 | 90 |
| 2012 | -.61 | 127 |
| 2011 | 0.84 | 130 |
| 2010 | 0.6 | 99 |
| 2009 | -3.4 | 140 |
| 2008 | 3.55 | 85 |
| 2007 | -4.24 | 142 |
| 2006 | 2.84 | 88 |
| 2005 | -5.56 | 147 |
| 2004 | 5.81 | 55 |
| 2003 | -2.09 | 133 |
| 2002 | 4.15 | 58 |
| 2001 | -2.71 | 133 |
| 2000 | -4.97 | 139 |
| 1999 | 6.09 | 45 |
| 1998 | -3.96 | 130 |
| 1997 | -7.9 | 143 |
| 1996 | 4.88 | 51 |