| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 48.43 | 29 |
| 2015 | 48.53 | 28 |
| 2014 | 48.68 | 26 |
| 2013 | 48.8 | 27 |
| 2012 | 48.99 | 23 |
| 2011 | 48.61 | 29 |
| 2010 | 48.58 | 29 |
| 2009 | 48.45 | 32 |
| 2008 | 49.46 | 15 |
| 2007 | 49.61 | 15 |
| 2006 | 49.01 | 22 |
| 2005 | 51.6 | 4 |
| 2004 | 51.03 | 5 |
| 2003 | 50.36 | 8 |
| 2002 | 50.71 | 7 |
| 2001 | 49.99 | 10 |
| 2000 | 49.92 | 12 |
| 1999 | 49.64 | 12 |
| 1998 | 49.41 | 12 |
| 1997 | 49.21 | 12 |
| 1996 | 49.05 | 12 |
| 1995 | 48.91 | 15 |
| 1994 | 48.82 | 15 |
| 1993 | 48.76 | 16 |
| 1992 | 48.73 | 17 |
| 1991 | 48.72 | 15 |
| 1990 | 48.7 | 16 |