| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -2.92 | 106 |
| 2015 | 6.42 | 10 |
| 2014 | 1.64 | 79 |
| 2013 | 19.89 | 5 |
| 2012 | 25.39 | 2 |
| 2011 | -1.15 | 131 |
| 2010 | -4.3 | 150 |
| 2009 | 2.84 | 32 |
| 2008 | -7.22 | 152 |
| 2007 | 4.51 | 62 |
| 2006 | -3.65 | 139 |
| 2005 | -17.13 | 142 |
| 2004 | -6.42 | 142 |
| 2003 | 4.73 | 45 |
| 2002 | -5.62 | 131 |
| 2001 | 1.26 | 83 |
| 2000 | -5.17 | 118 |
| 1999 | -1.4 | 102 |
| 1998 | 1.16 | 95 |
| 1997 | 4.81 | 35 |
| 1996 | 24.3 | 3 |
| 1995 | 7.16 | 24 |
| 1994 | 4.19 | 27 |
| 1993 | -24.78 | 105 |
| 1992 | 2.82 | 29 |
| 1991 | 4.61 | 26 |
| 1990 | -6.37 | 79 |
| 1989 | -.89 | 67 |
| 1988 | 15.39 | 3 |
| 1987 | -7.59 | 79 |
| 1986 | -11.28 | 80 |