| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 49.568 | 153 |
| 2015 | 49.589 | 152 |
| 2014 | 49.612 | 150 |
| 2013 | 49.636 | 147 |
| 2012 | 49.661 | 147 |
| 2011 | 49.687 | 147 |
| 2010 | 49.713 | 146 |
| 2009 | 49.74 | 146 |
| 2008 | 49.768 | 144 |
| 2007 | 49.798 | 143 |
| 2006 | 49.83 | 142 |
| 2005 | 49.863 | 138 |
| 2004 | 49.896 | 138 |
| 2003 | 49.93 | 134 |
| 2002 | 49.963 | 131 |
| 2001 | 49.995 | 130 |
| 2000 | 50.029 | 128 |
| 1999 | 50.066 | 126 |
| 1998 | 50.108 | 122 |
| 1997 | 50.153 | 121 |
| 1996 | 50.197 | 118 |
| 1995 | 50.231 | 117 |
| 1994 | 50.25 | 115 |
| 1993 | 50.253 | 113 |
| 1992 | 50.244 | 114 |
| 1991 | 50.231 | 115 |
| 1990 | 50.22 | 116 |
| 1989 | 50.21 | 115 |
| 1988 | 50.202 | 114 |
| 1987 | 50.196 | 114 |
| 1986 | 50.19 | 114 |