| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 53.776 | 5 |
| 2015 | 53.789 | 4 |
| 2014 | 53.806 | 4 |
| 2013 | 53.827 | 4 |
| 2012 | 53.845 | 4 |
| 2011 | 53.852 | 4 |
| 2010 | 53.843 | 4 |
| 2009 | 53.815 | 4 |
| 2008 | 53.772 | 3 |
| 2007 | 53.72 | 3 |
| 2006 | 53.666 | 2 |
| 2005 | 53.616 | 2 |
| 2004 | 53.574 | 2 |
| 2003 | 53.538 | 2 |
| 2002 | 53.506 | 2 |
| 2001 | 53.478 | 2 |
| 2000 | 53.452 | 2 |
| 1999 | 53.428 | 2 |
| 1998 | 53.407 | 3 |
| 1997 | 53.391 | 3 |
| 1996 | 53.382 | 3 |
| 1995 | 53.38 | 3 |
| 1994 | 53.386 | 3 |
| 1993 | 53.398 | 3 |
| 1992 | 53.42 | 2 |
| 1991 | 53.452 | 1 |
| 1990 | 53.495 | 1 |
| 1989 | 53.551 | 1 |
| 1988 | 53.618 | 1 |
| 1987 | 53.691 | 1 |
| 1986 | 53.763 | 1 |