| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 3.52 | 49 |
| 2015 | 5.88 | 36 |
| 2014 | 2.16 | 102 |
| 2013 | -1.02 | 144 |
| 2012 | 7.51 | 24 |
| 2011 | -2.16 | 157 |
| 2010 | 5.22 | 47 |
| 2009 | 1.26 | 99 |
| 2008 | 8.04 | 36 |
| 2007 | 9.69 | 19 |
| 2006 | -.01 | 123 |
| 2005 | 8.22 | 25 |
| 2004 | -3.22 | 156 |
| 2003 | 4.26 | 57 |
| 2002 | -3.06 | 139 |
| 2001 | 0.94 | 97 |
| 2000 | -.8 | 110 |
| 1999 | 7.31 | 35 |
| 1998 | 1.49 | 89 |
| 1997 | -22.23 | 157 |
| 1996 | 8.49 | 30 |
| 1995 | 24.9 | 6 |
| 1994 | -17 | 127 |
| 1993 | 9.39 | 18 |
| 1992 | 6.86 | 28 |
| 1991 | 6.86 | 24 |
| 1990 | -6.58 | 102 |
| 1989 | 1.11 | 70 |
| 1988 | 3.01 | 58 |
| 1987 | 5.63 | 27 |
| 1986 | 8.35 | 17 |