| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 49.6 | 13 |
| 2015 | 49.59 | 14 |
| 2014 | 49.62 | 14 |
| 2013 | 49.93 | 11 |
| 2012 | 49.93 | 12 |
| 2011 | 49.92 | 14 |
| 2010 | 50.22 | 12 |
| 2009 | 49.86 | 14 |
| 2008 | 48.99 | 21 |
| 2007 | 48.81 | 25 |
| 2006 | 48.55 | 27 |
| 2005 | 48.5 | 29 |
| 2004 | 48.25 | 31 |
| 2003 | 48.84 | 21 |
| 2002 | 48.78 | 22 |
| 2001 | 48.89 | 18 |
| 2000 | 48.14 | 28 |
| 1999 | 47.7 | 31 |
| 1998 | 48.33 | 24 |
| 1997 | 48.59 | 18 |
| 1996 | 47.67 | 28 |
| 1995 | 48.06 | 24 |
| 1994 | 48.4 | 21 |
| 1993 | 48.69 | 17 |
| 1992 | 48.96 | 12 |
| 1991 | 49.23 | 12 |
| 1990 | 49.54 | 12 |