| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -9.91 | 118 |
| 2015 | 15.31 | 7 |
| 2014 | -4.32 | 145 |
| 2013 | 29.54 | 3 |
| 2012 | 46.2 | 2 |
| 2011 | 15.83 | 10 |
| 2010 | -16.01 | 156 |
| 2009 | 5.92 | 60 |
| 2008 | 0.01 | 136 |
| 2007 | -15.37 | 148 |
| 2006 | 0.21 | 123 |
| 2005 | 21.25 | 4 |
| 2004 | 14.92 | 10 |
| 2003 | 17.83 | 9 |
| 2002 | -14.38 | 144 |
| 2001 | 0.94 | 114 |
| 2000 | 0.11 | 107 |
| 1999 | -7.09 | 124 |
| 1998 | 38.08 | 5 |
| 1997 | -5.7 | 128 |
| 1996 | -4.01 | 116 |
| 1995 | 0.1 | 86 |
| 1994 | -6.9 | 107 |
| 1993 | 8.8 | 18 |
| 1992 | -17.61 | 112 |
| 1991 | -1.57 | 95 |
| 1990 | 5.62 | 24 |
| 1989 | 12.88 | 9 |
| 1988 | -17.61 | 93 |
| 1987 | -1.86 | 78 |
| 1986 | 36.91 | 1 |