| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -10.65 | 133 |
| 2015 | 5.49 | 37 |
| 2014 | 3.35 | 76 |
| 2013 | 0.98 | 118 |
| 2012 | 5.43 | 42 |
| 2011 | 4.39 | 73 |
| 2010 | 3.91 | 60 |
| 2009 | 3.01 | 82 |
| 2008 | -2.1 | 140 |
| 2007 | -8.81 | 157 |
| 2006 | 3.15 | 85 |
| 2005 | -6.56 | 152 |
| 2004 | -.24 | 136 |
| 2003 | -3.51 | 142 |
| 2002 | 4.23 | 54 |
| 2001 | -3.44 | 140 |
| 2000 | -5.18 | 140 |
| 1999 | -1.04 | 124 |
| 1998 | 1.93 | 81 |
| 1997 | 3.33 | 63 |
| 1996 | 1.51 | 101 |
| 1995 | -6.77 | 120 |
| 1994 | -9.73 | 117 |
| 1993 | -4.38 | 103 |
| 1992 | 3.14 | 58 |
| 1991 | 2.13 | 64 |
| 1990 | 5.57 | 39 |
| 1989 | -2.17 | 88 |
| 1988 | 1.59 | 73 |
| 1987 | 5.2 | 32 |
| 1986 | 4.13 | 40 |