| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 52.008 | 18 |
| 2015 | 52.024 | 18 |
| 2014 | 52.035 | 17 |
| 2013 | 52.045 | 17 |
| 2012 | 52.065 | 16 |
| 2011 | 52.074 | 16 |
| 2010 | 52.071 | 16 |
| 2009 | 52.049 | 16 |
| 2008 | 52.013 | 15 |
| 2007 | 51.986 | 17 |
| 2006 | 52.002 | 16 |
| 2005 | 52.067 | 15 |
| 2004 | 52.23 | 13 |
| 2003 | 52.454 | 11 |
| 2002 | 52.691 | 9 |
| 2001 | 52.852 | 9 |
| 2000 | 52.875 | 9 |
| 1999 | 52.725 | 9 |
| 1998 | 52.421 | 10 |
| 1997 | 52.032 | 13 |
| 1996 | 51.659 | 21 |
| 1995 | 51.397 | 32 |
| 1994 | 51.292 | 37 |
| 1993 | 51.317 | 33 |
| 1992 | 51.433 | 26 |
| 1991 | 51.565 | 21 |
| 1990 | 51.646 | 20 |
| 1989 | 51.666 | 20 |
| 1988 | 51.639 | 20 |
| 1987 | 51.584 | 20 |
| 1986 | 51.508 | 25 |