| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -4.08 | 113 |
| 2015 | 0.56 | 109 |
| 2014 | -2.04 | 138 |
| 2013 | 5.05 | 49 |
| 2012 | -1.97 | 139 |
| 2011 | -.74 | 123 |
| 2010 | -5.93 | 148 |
| 2009 | 26.75 | 8 |
| 2008 | -.6 | 140 |
| 2007 | 4.53 | 71 |
| 2006 | 5.13 | 65 |
| 2005 | 5.45 | 49 |
| 2004 | 9.22 | 20 |
| 2003 | 0.11 | 118 |
| 2002 | -.82 | 119 |
| 2001 | 1.89 | 102 |
| 2000 | -4.26 | 123 |
| 1999 | 3.09 | 65 |
| 1998 | -4.63 | 121 |
| 1997 | -.15 | 103 |
| 1996 | 2.65 | 67 |
| 1995 | -2.41 | 99 |
| 1994 | 4.02 | 35 |
| 1993 | -1.05 | 89 |
| 1992 | -3.6 | 92 |
| 1991 | -.6 | 89 |
| 1990 | 8.36 | 10 |
| 1989 | -1.02 | 79 |
| 1988 | -8.13 | 90 |
| 1987 | -.82 | 73 |
| 1986 | -2.47 | 86 |