| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 49.971 | 127 |
| 2015 | 49.961 | 128 |
| 2014 | 49.95 | 130 |
| 2013 | 49.939 | 133 |
| 2012 | 49.926 | 135 |
| 2011 | 49.913 | 138 |
| 2010 | 49.899 | 139 |
| 2009 | 49.884 | 139 |
| 2008 | 49.868 | 141 |
| 2007 | 49.853 | 141 |
| 2006 | 49.842 | 141 |
| 2005 | 49.835 | 144 |
| 2004 | 49.834 | 142 |
| 2003 | 49.839 | 141 |
| 2002 | 49.843 | 141 |
| 2001 | 49.842 | 142 |
| 2000 | 49.83 | 142 |
| 1999 | 49.806 | 142 |
| 1998 | 49.771 | 143 |
| 1997 | 49.73 | 146 |
| 1996 | 49.692 | 146 |
| 1995 | 49.662 | 148 |
| 1994 | 49.641 | 150 |
| 1993 | 49.628 | 152 |
| 1992 | 49.622 | 150 |
| 1991 | 49.619 | 149 |
| 1990 | 49.617 | 148 |
| 1989 | 49.617 | 146 |
| 1988 | 49.619 | 145 |
| 1987 | 49.62 | 144 |
| 1986 | 49.613 | 145 |