| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 2.78 | 52 |
| 2015 | 0.45 | 131 |
| 2014 | -1.15 | 171 |
| 2013 | 2.11 | 92 |
| 2012 | 3.46 | 55 |
| 2011 | 1.45 | 131 |
| 2010 | 6.22 | 29 |
| 2009 | -1.9 | 109 |
| 2008 | -1.79 | 178 |
| 2007 | 3.44 | 112 |
| 2006 | 1.88 | 147 |
| 2005 | 2.79 | 111 |
| 2004 | 0.03 | 177 |
| 2003 | 0.25 | 153 |
| 2002 | 2.67 | 72 |
| 2001 | 5.31 | 28 |
| 2000 | 5.73 | 36 |
| 1999 | -2.69 | 169 |
| 1998 | -3.28 | 177 |
| 1997 | -6.97 | 189 |
| 1996 | -10.98 | 190 |
| 1995 | 7.28 | 19 |
| 1994 | 4.77 | 36 |
| 1993 | 4.59 | 30 |
| 1992 | 5.18 | 32 |
| 1991 | -2.34 | 127 |
| 1990 | -.55 | 109 |
| 1989 | -5.45 | 152 |
| 1988 | 3.12 | 76 |
| 1987 | 4.31 | 42 |
| 1986 | 18.75 | 1 |