| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 48.65 | 27 |
| 2015 | 48.64 | 27 |
| 2014 | 48.67 | 27 |
| 2013 | 48.72 | 28 |
| 2012 | 48.9 | 27 |
| 2011 | 48.92 | 23 |
| 2010 | 48.86 | 26 |
| 2009 | 49.13 | 20 |
| 2008 | 49.03 | 20 |
| 2007 | 49.35 | 18 |
| 2006 | 49.49 | 15 |
| 2005 | 49.35 | 15 |
| 2004 | 49.18 | 16 |
| 2003 | 49.05 | 17 |
| 2002 | 48.76 | 23 |
| 2001 | 48.29 | 28 |
| 2000 | 48.35 | 26 |
| 1999 | 48.2 | 26 |
| 1998 | 47.6 | 31 |
| 1997 | 47.51 | 31 |
| 1996 | 47.26 | 37 |
| 1995 | 47.17 | 37 |
| 1994 | 47.12 | 36 |
| 1993 | 47.39 | 33 |
| 1992 | 47.66 | 28 |
| 1991 | 47.94 | 25 |
| 1990 | 48.18 | 24 |