| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 3.33 | 54 |
| 2015 | -15.07 | 164 |
| 2014 | -11.62 | 169 |
| 2013 | -7.6 | 166 |
| 2012 | -3 | 149 |
| 2011 | 4.35 | 86 |
| 2010 | 9.59 | 38 |
| 2009 | -19.47 | 168 |
| 2008 | -5.7 | 166 |
| 2007 | 10.5 | 29 |
| 2006 | 7.2 | 61 |
| 2005 | 0.31 | 147 |
| 2004 | 11.25 | 31 |
| 2003 | 3.29 | 94 |
| 2002 | 7 | 45 |
| 2001 | 14.2 | 11 |
| 2000 | 11.32 | 24 |
| 1999 | 4.01 | 72 |
| 1998 | -.07 | 124 |
| 1997 | -4.24 | 145 |
| 1996 | -9.5 | 150 |
| 1995 | -14.83 | 136 |
| 1994 | -34.79 | 132 |
| 1993 | -22.26 | 129 |
| 1992 | -16.99 | 118 |
| 1991 | -10.02 | 115 |