| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -1.4 | 106 |
| 2015 | -3.57 | 139 |
| 2014 | 13.45 | 12 |
| 2013 | 4.47 | 65 |
| 2012 | 3.73 | 66 |
| 2011 | 2.03 | 116 |
| 2010 | 2.42 | 75 |
| 2009 | 3.86 | 57 |
| 2008 | -5.84 | 158 |
| 2007 | -.08 | 125 |
| 2006 | 1.63 | 104 |
| 2005 | 7.08 | 34 |
| 2004 | 0 | 133 |
| 2003 | -8.35 | 156 |
| 2002 | -17.12 | 163 |
| 2001 | -12.53 | 163 |
| 2000 | -4.83 | 138 |
| 1999 | -.64 | 121 |
| 1998 | -8.66 | 151 |
| 1997 | -1.51 | 121 |
| 1996 | 3.17 | 77 |
| 1995 | -3.72 | 116 |
| 1994 | 2.54 | 59 |
| 1993 | -7.22 | 117 |
| 1992 | -5.61 | 106 |
| 1991 | -8.29 | 112 |
| 1990 | -8.2 | 105 |
| 1989 | -4.65 | 97 |
| 1988 | -15.05 | 110 |
| 1987 | -8.45 | 98 |
| 1986 | -12.71 | 108 |