| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 50.68 | 140 |
| 2015 | 50.64 | 139 |
| 2014 | 50.58 | 139 |
| 2013 | 50.48 | 140 |
| 2012 | 50.4 | 140 |
| 2011 | 50.38 | 139 |
| 2010 | 50.4 | 135 |
| 2009 | 50.39 | 135 |
| 2008 | 50.41 | 138 |
| 2007 | 50.46 | 137 |
| 2006 | 50.53 | 136 |
| 2005 | 50.59 | 132 |
| 2004 | 50.63 | 131 |
| 2003 | 50.74 | 132 |
| 2002 | 50.78 | 134 |
| 2001 | 50.86 | 132 |
| 2000 | 51 | 134 |
| 1999 | 51.08 | 130 |
| 1998 | 51.21 | 132 |
| 1997 | 51.44 | 127 |
| 1996 | 51.58 | 127 |
| 1995 | 51.77 | 126 |
| 1994 | 52.01 | 127 |
| 1993 | 51.91 | 128 |
| 1992 | 52.1 | 126 |
| 1991 | 52.25 | 126 |