| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 49.949 | 130 |
| 2015 | 49.954 | 129 |
| 2014 | 49.959 | 127 |
| 2013 | 49.964 | 129 |
| 2012 | 49.97 | 131 |
| 2011 | 49.977 | 131 |
| 2010 | 49.988 | 130 |
| 2009 | 50.002 | 128 |
| 2008 | 50.02 | 127 |
| 2007 | 50.041 | 122 |
| 2006 | 50.062 | 121 |
| 2005 | 50.084 | 120 |
| 2004 | 50.106 | 120 |
| 2003 | 50.127 | 119 |
| 2002 | 50.149 | 119 |
| 2001 | 50.17 | 119 |
| 2000 | 50.189 | 117 |
| 1999 | 50.207 | 114 |
| 1998 | 50.223 | 115 |
| 1997 | 50.238 | 115 |
| 1996 | 50.252 | 113 |
| 1995 | 50.267 | 112 |
| 1994 | 50.282 | 111 |
| 1993 | 50.299 | 107 |
| 1992 | 50.316 | 106 |
| 1991 | 50.335 | 105 |
| 1990 | 50.357 | 105 |
| 1989 | 50.381 | 103 |
| 1988 | 50.408 | 95 |
| 1987 | 50.437 | 94 |
| 1986 | 50.468 | 89 |