| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 48.22 | 36 |
| 2015 | 48.22 | 36 |
| 2014 | 48.22 | 36 |
| 2013 | 48.3 | 35 |
| 2012 | 48.35 | 32 |
| 2011 | 48.42 | 31 |
| 2010 | 48.46 | 31 |
| 2009 | 48.58 | 29 |
| 2008 | 48.66 | 26 |
| 2007 | 48.71 | 26 |
| 2006 | 48.67 | 26 |
| 2005 | 48.76 | 24 |
| 2004 | 48.54 | 27 |
| 2003 | 48.31 | 31 |
| 2002 | 48.08 | 31 |
| 2001 | 47.84 | 33 |
| 2000 | 47.59 | 33 |
| 1999 | 47.34 | 35 |
| 1998 | 47.07 | 39 |
| 1997 | 46.8 | 41 |
| 1996 | 46.51 | 42 |
| 1995 | 46.22 | 48 |
| 1994 | 45.92 | 50 |
| 1993 | 45.59 | 53 |
| 1992 | 45.26 | 58 |
| 1991 | 44.93 | 60 |
| 1990 | 44.59 | 64 |