| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 54.22 | 1 |
| 2015 | 54.249 | 1 |
| 2014 | 54.264 | 1 |
| 2013 | 54.267 | 1 |
| 2012 | 54.25 | 1 |
| 2011 | 54.203 | 1 |
| 2010 | 54.107 | 2 |
| 2009 | 53.956 | 2 |
| 2008 | 53.757 | 4 |
| 2007 | 53.528 | 5 |
| 2006 | 53.315 | 7 |
| 2005 | 53.149 | 7 |
| 2004 | 53.06 | 7 |
| 2003 | 53.029 | 7 |
| 2002 | 53.046 | 7 |
| 2001 | 53.061 | 7 |
| 2000 | 53.048 | 8 |
| 1999 | 53.001 | 8 |
| 1998 | 52.932 | 8 |
| 1997 | 52.847 | 8 |
| 1996 | 52.747 | 8 |
| 1995 | 52.642 | 7 |
| 1994 | 52.529 | 7 |
| 1993 | 52.407 | 8 |
| 1992 | 52.276 | 11 |
| 1991 | 52.143 | 12 |
| 1990 | 52.016 | 13 |
| 1989 | 51.898 | 16 |
| 1988 | 51.784 | 19 |
| 1987 | 51.684 | 18 |
| 1986 | 51.592 | 20 |