| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -1.63 | 106 |
| 2015 | -4.74 | 144 |
| 2014 | -11.66 | 151 |
| 2013 | 25.8 | 4 |
| 2012 | 6.01 | 46 |
| 2011 | 22.65 | 5 |
| 2010 | 12.66 | 9 |
| 2009 | 14.77 | 21 |
| 2008 | 23.4 | 9 |
| 2007 | 19.23 | 10 |
| 2006 | 24.21 | 8 |
| 2005 | 14.91 | 9 |
| 2004 | 20.02 | 6 |
| 2003 | -21.22 | 142 |
| 2002 | 72.66 | 2 |
| 2001 | -6.68 | 139 |
| 2000 | -23.83 | 133 |
| 1999 | -40.96 | 133 |
| 1998 | 107.94 | 1 |
| 1997 | 75.23 | 2 |
| 1996 | 67.97 | 1 |
| 1995 | 44.44 | 2 |
| 1994 | -30.32 | 119 |
| 1993 | 55.22 | 1 |
| 1992 | 43.93 | 1 |
| 1991 | 1.49 | 76 |
| 1990 | -3.36 | 85 |
| 1989 | -20.29 | 98 |
| 1988 | 39.35 | 1 |
| 1987 | -15.55 | 92 |
| 1986 | 8.06 | 18 |