| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -9.85 | 174 |
| 2015 | -1.4 | 164 |
| 2014 | 3.47 | 51 |
| 2013 | 2.25 | 86 |
| 2012 | 5.31 | 27 |
| 2011 | -3.19 | 186 |
| 2010 | 9.88 | 6 |
| 2009 | 0.88 | 60 |
| 2008 | -.26 | 155 |
| 2007 | -.12 | 177 |
| 2006 | -2.78 | 190 |
| 2005 | 13.17 | 4 |
| 2004 | 28.72 | 4 |
| 2003 | 10.41 | 10 |
| 2002 | 4.41 | 42 |
| 2001 | 7.53 | 15 |
| 2000 | -4.45 | 189 |
| 1999 | -4.17 | 177 |
| 1998 | 3.29 | 76 |
| 1997 | 2.1 | 111 |
| 1996 | -1.18 | 172 |
| 1995 | -2.07 | 159 |
| 1994 | 6.62 | 17 |
| 1993 | -18.37 | 175 |
| 1992 | 4.62 | 39 |
| 1991 | 5.13 | 22 |
| 1990 | -7.22 | 155 |
| 1989 | 1.54 | 86 |
| 1988 | 11.84 | 5 |
| 1987 | -5.37 | 150 |
| 1986 | -6.85 | 151 |