| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -16.36 | 136 |
| 2015 | -10.93 | 150 |
| 2014 | -14.07 | 152 |
| 2013 | 7.31 | 107 |
| 2012 | 57.83 | 1 |
| 2011 | 7.68 | 104 |
| 2010 | 33.51 | 7 |
| 2009 | 29.93 | 14 |
| 2008 | 30.68 | 21 |
| 2007 | 40.37 | 19 |
| 2006 | 12.74 | 118 |
| 2005 | 36.93 | 14 |
| 2004 | 32.94 | 16 |
| 2003 | 60.4 | 5 |
| 2002 | 54.4 | 4 |
| 2001 | 28.23 | 41 |
| 2000 | 36.25 | 28 |
| 1999 | 68.65 | 6 |
| 1998 | 15.56 | 50 |
| 1997 | 9.31 | 108 |
| 1996 | 42.79 | 16 |
| 1995 | 48.95 | 17 |
| 1994 | 139.54 | 10 |
| 1993 | -25.47 | 137 |
| 1992 | 30.27 | 36 |
| 1991 | -11.84 | 127 |
| 1990 | -51.99 | 126 |
| 1989 | 40.72 | 21 |
| 1988 | -40.62 | 127 |
| 1987 | -10.45 | 122 |
| 1986 | 17.42 | 52 |