| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | -2.33 | 110 |
| 2015 | -2.02 | 129 |
| 2014 | 5.89 | 39 |
| 2013 | 6.58 | 39 |
| 2012 | -.12 | 126 |
| 2011 | 4.29 | 78 |
| 2010 | 6.8 | 34 |
| 2009 | 4 | 55 |
| 2008 | 3.52 | 86 |
| 2007 | 7.39 | 31 |
| 2006 | -4.62 | 145 |
| 2005 | -9.33 | 160 |
| 2004 | 3.64 | 86 |
| 2003 | 3.31 | 70 |
| 2002 | 5.89 | 38 |
| 2001 | -5.98 | 151 |
| 2000 | 5.3 | 50 |
| 1999 | 10.12 | 20 |
| 1998 | 10.34 | 18 |
| 1997 | 0.13 | 104 |
| 1996 | 25.51 | 3 |
| 1995 | 39.59 | 2 |
| 1994 | -28.92 | 133 |
| 1993 | 52.98 | 2 |
| 1992 | -25.12 | 126 |
| 1991 | 12.8 | 10 |
| 1990 | -.24 | 77 |
| 1989 | 2.45 | 66 |
| 1988 | 2.02 | 71 |
| 1987 | 0.84 | 65 |
| 1986 | 0.62 | 69 |