| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -40.99 | 141 |
| 2015 | 4.09 | 53 |
| 2014 | 3.43 | 74 |
| 2013 | 12.15 | 19 |
| 2012 | 5.99 | 38 |
| 2011 | 5.77 | 54 |
| 2010 | -12.32 | 168 |
| 2009 | 8.22 | 29 |
| 2008 | 8.96 | 30 |
| 2007 | -3.09 | 137 |
| 2006 | -3.59 | 141 |
| 2005 | 20.08 | 5 |
| 2004 | -12.87 | 169 |
| 2003 | 8.48 | 29 |
| 2002 | 3.38 | 66 |
| 2001 | -1.8 | 119 |
| 2000 | 0.78 | 99 |
| 1999 | 8.78 | 27 |
| 1998 | -.15 | 106 |
| 1997 | 1.84 | 83 |
| 1996 | 13.78 | 18 |
| 1995 | -1.96 | 107 |
| 1994 | 4.59 | 39 |
| 1993 | -7.07 | 115 |
| 1992 | -18.32 | 123 |
| 1991 | 7.39 | 22 |
| 1990 | -2.34 | 88 |
| 1989 | 19.06 | 2 |
| 1988 | -5.48 | 101 |
| 1987 | -9.09 | 100 |
| 1986 | 18.09 | 5 |