| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -3.81 | 126 |
| 2015 | -6.33 | 157 |
| 2014 | -1.51 | 150 |
| 2013 | 2.17 | 102 |
| 2012 | -.72 | 126 |
| 2011 | 4.11 | 90 |
| 2010 | 10.2 | 34 |
| 2009 | -4.7 | 101 |
| 2008 | 4.1 | 76 |
| 2007 | 6.21 | 78 |
| 2006 | 2.01 | 130 |
| 2005 | 1.99 | 128 |
| 2004 | 8.22 | 47 |
| 2003 | 0.1 | 139 |
| 2002 | 3.8 | 81 |
| 2001 | -.64 | 125 |
| 2000 | 5.3 | 68 |
| 1999 | -2.61 | 138 |
| 1998 | -2.09 | 143 |
| 1997 | 4.37 | 80 |
| 1996 | -1.8 | 134 |
| 1995 | 4.74 | 61 |
| 1994 | 8.05 | 35 |
| 1993 | 7.84 | 23 |
| 1992 | -4.01 | 102 |
| 1991 | -4.24 | 104 |
| 1990 | -8.2 | 110 |
| 1989 | 2.88 | 68 |
| 1988 | -2.59 | 100 |
| 1987 | 1.05 | 79 |
| 1986 | 11.76 | 12 |