| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 52.662 | 11 |
| 2015 | 52.623 | 11 |
| 2014 | 52.555 | 11 |
| 2013 | 52.464 | 12 |
| 2012 | 52.356 | 13 |
| 2011 | 52.24 | 14 |
| 2010 | 52.123 | 15 |
| 2009 | 52.004 | 18 |
| 2008 | 51.886 | 20 |
| 2007 | 51.777 | 21 |
| 2006 | 51.69 | 23 |
| 2005 | 51.635 | 25 |
| 2004 | 51.616 | 26 |
| 2003 | 51.632 | 25 |
| 2002 | 51.669 | 24 |
| 2001 | 51.711 | 23 |
| 2000 | 51.745 | 24 |
| 1999 | 51.767 | 22 |
| 1998 | 51.779 | 20 |
| 1997 | 51.784 | 19 |
| 1996 | 51.788 | 16 |
| 1995 | 51.794 | 16 |
| 1994 | 51.803 | 17 |
| 1993 | 51.812 | 17 |
| 1992 | 51.82 | 17 |
| 1991 | 51.825 | 16 |
| 1990 | 51.826 | 16 |
| 1989 | 51.823 | 18 |
| 1988 | 51.816 | 18 |
| 1987 | 51.808 | 17 |
| 1986 | 51.802 | 17 |