| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -6.03 | 128 |
| 2015 | 1.17 | 96 |
| 2014 | 1.7 | 114 |
| 2013 | -5.77 | 168 |
| 2012 | -12.63 | 168 |
| 2011 | 0.31 | 140 |
| 2010 | 32.09 | 4 |
| 2009 | -32.36 | 178 |
| 2008 | 7.64 | 39 |
| 2007 | 21.79 | 4 |
| 2006 | -10.14 | 164 |
| 2005 | -5.45 | 146 |
| 2004 | -34.23 | 172 |
| 2003 | -15.26 | 166 |
| 2002 | 8.71 | 21 |
| 2001 | 8.68 | 32 |
| 2000 | -2.37 | 121 |
| 1999 | 2.26 | 94 |
| 1998 | -7.24 | 148 |
| 1997 | 13.12 | 8 |
| 1996 | 6.87 | 35 |
| 1995 | 0.98 | 88 |
| 1994 | 7.69 | 20 |
| 1993 | 8.42 | 23 |
| 1992 | -1.15 | 86 |
| 1991 | -7.05 | 109 |
| 1990 | 18.22 | 6 |
| 1989 | 5.83 | 29 |
| 1988 | 6.86 | 33 |
| 1987 | 0.24 | 68 |
| 1986 | 0.73 | 67 |