| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 48.614 | 178 |
| 2015 | 48.613 | 178 |
| 2014 | 48.635 | 177 |
| 2013 | 48.679 | 177 |
| 2012 | 48.749 | 177 |
| 2011 | 48.847 | 177 |
| 2010 | 48.974 | 173 |
| 2009 | 49.134 | 170 |
| 2008 | 49.326 | 160 |
| 2007 | 49.535 | 155 |
| 2006 | 49.738 | 147 |
| 2005 | 49.917 | 134 |
| 2004 | 50.061 | 124 |
| 2003 | 50.169 | 117 |
| 2002 | 50.251 | 113 |
| 2001 | 50.323 | 105 |
| 2000 | 50.397 | 99 |
| 1999 | 50.479 | 92 |
| 1998 | 50.563 | 81 |
| 1997 | 50.647 | 73 |
| 1996 | 50.725 | 69 |
| 1995 | 50.793 | 61 |
| 1994 | 50.849 | 59 |
| 1993 | 50.897 | 57 |
| 1992 | 50.939 | 55 |
| 1991 | 50.978 | 52 |
| 1990 | 51.021 | 49 |
| 1989 | 51.068 | 49 |
| 1988 | 51.119 | 44 |
| 1987 | 51.172 | 40 |
| 1986 | 51.227 | 38 |