| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 49.03 | 19 |
| 2015 | 49.06 | 19 |
| 2014 | 49.09 | 19 |
| 2013 | 49.02 | 18 |
| 2012 | 48.96 | 24 |
| 2011 | 48.87 | 25 |
| 2010 | 48.76 | 27 |
| 2009 | 48.68 | 28 |
| 2008 | 48.65 | 27 |
| 2007 | 48.59 | 28 |
| 2006 | 48.54 | 28 |
| 2005 | 48.55 | 28 |
| 2004 | 48.55 | 26 |
| 2003 | 48.57 | 26 |
| 2002 | 48.59 | 27 |
| 2001 | 48.64 | 25 |
| 2000 | 48.69 | 22 |
| 1999 | 48.78 | 18 |
| 1998 | 48.81 | 16 |
| 1997 | 48.92 | 14 |
| 1996 | 49.03 | 13 |
| 1995 | 48.96 | 13 |
| 1994 | 49.05 | 12 |
| 1993 | 48.99 | 12 |
| 1992 | 48.75 | 16 |
| 1991 | 48.58 | 18 |
| 1990 | 48.47 | 19 |