| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 48.98 | 120 |
| 2015 | 49.12 | 118 |
| 2014 | 49.34 | 114 |
| 2013 | 48.92 | 116 |
| 2012 | 48.16 | 117 |
| 2011 | 48.17 | 116 |
| 2010 | 49.4 | 110 |
| 2009 | 48.72 | 114 |
| 2008 | 48.5 | 113 |
| 2007 | 48.54 | 108 |
| 2006 | 48.44 | 110 |
| 2005 | 48.42 | 110 |
| 2004 | 48.34 | 111 |
| 2003 | 48.54 | 111 |
| 2002 | 48.62 | 110 |
| 2001 | 49.21 | 107 |
| 2000 | 49.28 | 98 |
| 1999 | 49.62 | 95 |
| 1998 | 50.19 | 90 |
| 1997 | 50.44 | 88 |
| 1996 | 50.07 | 90 |
| 1995 | 50.03 | 90 |
| 1994 | 50.26 | 88 |
| 1993 | 50.42 | 86 |
| 1992 | 50.8 | 86 |
| 1991 | 50.69 | 84 |
| 1990 | 50.1 | 88 |