| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 47.27 | 97 |
| 2015 | 47.51 | 92 |
| 2014 | 47.86 | 87 |
| 2013 | 48.07 | 84 |
| 2012 | 48.27 | 82 |
| 2011 | 48.78 | 80 |
| 2010 | 49.38 | 76 |
| 2009 | 49.2 | 80 |
| 2008 | 49.36 | 82 |
| 2007 | 49.42 | 80 |
| 2006 | 49.24 | 80 |
| 2005 | 48.86 | 78 |
| 2004 | 48.56 | 76 |
| 2003 | 48.09 | 74 |
| 2002 | 49.04 | 71 |
| 2001 | 47.51 | 78 |
| 2000 | 47.6 | 75 |
| 1999 | 47.42 | 74 |
| 1998 | 47.43 | 77 |
| 1997 | 47.05 | 78 |
| 1996 | 46.97 | 80 |
| 1995 | 46.66 | 82 |
| 1994 | 46.3 | 83 |
| 1993 | 46.56 | 79 |
| 1992 | 46.11 | 82 |
| 1991 | 45.76 | 85 |