| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 50.176 | 109 |
| 2015 | 50.16 | 112 |
| 2014 | 50.131 | 115 |
| 2013 | 50.092 | 116 |
| 2012 | 50.049 | 122 |
| 2011 | 50.014 | 125 |
| 2010 | 49.994 | 129 |
| 2009 | 49.994 | 129 |
| 2008 | 50.012 | 129 |
| 2007 | 50.041 | 121 |
| 2006 | 50.07 | 120 |
| 2005 | 50.092 | 119 |
| 2004 | 50.103 | 121 |
| 2003 | 50.104 | 122 |
| 2002 | 50.101 | 124 |
| 2001 | 50.102 | 126 |
| 2000 | 50.112 | 125 |
| 1999 | 50.135 | 123 |
| 1998 | 50.167 | 120 |
| 1997 | 50.201 | 119 |
| 1996 | 50.228 | 116 |
| 1995 | 50.242 | 116 |
| 1994 | 50.238 | 116 |
| 1993 | 50.219 | 116 |
| 1992 | 50.191 | 116 |
| 1991 | 50.161 | 121 |
| 1990 | 50.135 | 121 |
| 1989 | 50.115 | 123 |
| 1988 | 50.098 | 124 |
| 1987 | 50.086 | 122 |
| 1986 | 50.078 | 121 |