| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -3.66 | 116 |
| 2015 | 6.71 | 27 |
| 2014 | 4.2 | 59 |
| 2013 | -.69 | 141 |
| 2012 | 7.46 | 25 |
| 2011 | -2.19 | 159 |
| 2010 | -5.86 | 150 |
| 2009 | 5.71 | 41 |
| 2008 | 3.74 | 83 |
| 2007 | -4.47 | 145 |
| 2006 | -9.86 | 163 |
| 2005 | 1.31 | 100 |
| 2004 | 11.99 | 22 |
| 2003 | 11.3 | 16 |
| 2002 | 5.18 | 43 |
| 2001 | 5.85 | 47 |
| 2000 | 6.56 | 39 |
| 1999 | 11.17 | 17 |
| 1998 | 3.67 | 61 |
| 1997 | 11.34 | 11 |
| 1996 | 1.38 | 104 |
| 1995 | 2.91 | 73 |
| 1994 | 1.24 | 71 |
| 1993 | 4.43 | 36 |
| 1992 | -.66 | 82 |
| 1991 | 1.55 | 68 |
| 1990 | 2.55 | 61 |