| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -7.18 | 73 |
| 2015 | 1.37 | 136 |
| 2014 | 0.39 | 171 |
| 2013 | 0.11 | 173 |
| 2012 | 1.28 | 152 |
| 2011 | 5.35 | 63 |
| 2010 | -5.64 | 185 |
| 2009 | 3.59 | 82 |
| 2008 | 1.48 | 153 |
| 2007 | 17.82 | 20 |
| 2006 | 3.14 | 117 |
| 2005 | 25.83 | 5 |
| 2004 | 1.3 | 135 |
| 2003 | 2.72 | 85 |
| 2002 | 0.15 | 168 |
| 2001 | 3 | 77 |
| 2000 | 4.34 | 63 |
| 1999 | 1.39 | 112 |
| 1998 | 2.13 | 100 |
| 1997 | 1.24 | 116 |
| 1996 | 1.86 | 74 |
| 1995 | 0.79 | 103 |
| 1994 | 1.04 | 86 |
| 1993 | 0.59 | 102 |
| 1992 | 0.74 | 76 |
| 1991 | 0.21 | 111 |
| 1990 | 0.39 | 99 |
| 1989 | 0.44 | 82 |
| 1988 | 0.33 | 86 |
| 1987 | 0.33 | 86 |
| 1986 | 0.19 | 86 |