| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 2.951 | 72 |
| 2015 | 4.935 | 48 |
| 2014 | 7.178 | 24 |
| 2013 | 7.314 | 31 |
| 2012 | 5.806 | 59 |
| 2011 | 6.79 | 44 |
| 2010 | 6.89 | 50 |
| 2009 | 7.625 | 19 |
| 2008 | 7.965 | 39 |
| 2007 | 8.258 | 60 |
| 2006 | 5.458 | 93 |
| 2005 | 7.168 | 61 |
| 2004 | 5.059 | 90 |
| 2003 | 4.461 | 79 |
| 2002 | 5.831 | 47 |
| 2001 | 3.838 | 81 |
| 2000 | 5.696 | 49 |
| 1999 | 1.662 | 116 |
| 1998 | 4.255 | 70 |
| 1997 | 2.217 | 119 |
| 1996 | 1.429 | 123 |
| 1995 | 2.802 | 81 |
| 1994 | 2.969 | 73 |
| 1993 | -1.972 | 111 |
| 1992 | 3.775 | 60 |
| 1991 | -2.698 | 106 |
| 1990 | 0.373 | 84 |
| 1989 | 6.57 | 24 |
| 1988 | -.053 | 97 |
| 1987 | -1.986 | 98 |
| 1986 | -.628 | 90 |