| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 49.619 | 149 |
| 2015 | 49.641 | 148 |
| 2014 | 49.666 | 148 |
| 2013 | 49.695 | 145 |
| 2012 | 49.727 | 144 |
| 2011 | 49.758 | 145 |
| 2010 | 49.788 | 143 |
| 2009 | 49.815 | 143 |
| 2008 | 49.84 | 142 |
| 2007 | 49.863 | 139 |
| 2006 | 49.885 | 137 |
| 2005 | 49.908 | 135 |
| 2004 | 49.929 | 132 |
| 2003 | 49.951 | 131 |
| 2002 | 49.972 | 130 |
| 2001 | 49.995 | 131 |
| 2000 | 50.02 | 130 |
| 1999 | 50.05 | 127 |
| 1998 | 50.083 | 125 |
| 1997 | 50.116 | 124 |
| 1996 | 50.144 | 122 |
| 1995 | 50.164 | 119 |
| 1994 | 50.172 | 119 |
| 1993 | 50.169 | 119 |
| 1992 | 50.16 | 118 |
| 1991 | 50.149 | 122 |
| 1990 | 50.142 | 120 |
| 1989 | 50.14 | 121 |
| 1988 | 50.144 | 120 |
| 1987 | 50.15 | 117 |
| 1986 | 50.157 | 115 |