| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 53.187 | 8 |
| 2015 | 53.229 | 8 |
| 2014 | 53.272 | 8 |
| 2013 | 53.314 | 8 |
| 2012 | 53.356 | 8 |
| 2011 | 53.394 | 7 |
| 2010 | 53.43 | 7 |
| 2009 | 53.466 | 7 |
| 2008 | 53.499 | 6 |
| 2007 | 53.526 | 6 |
| 2006 | 53.538 | 4 |
| 2005 | 53.529 | 4 |
| 2004 | 53.495 | 3 |
| 2003 | 53.44 | 3 |
| 2002 | 53.384 | 3 |
| 2001 | 53.351 | 3 |
| 2000 | 53.359 | 3 |
| 1999 | 53.417 | 3 |
| 1998 | 53.517 | 2 |
| 1997 | 53.626 | 2 |
| 1996 | 53.703 | 2 |
| 1995 | 53.718 | 2 |
| 1994 | 53.659 | 2 |
| 1993 | 53.545 | 2 |
| 1992 | 53.41 | 3 |
| 1991 | 53.298 | 3 |
| 1990 | 53.237 | 3 |
| 1989 | 53.232 | 4 |
| 1988 | 53.273 | 4 |
| 1987 | 53.345 | 4 |
| 1986 | 53.426 | 4 |