| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 49.876 | 135 |
| 2015 | 49.859 | 136 |
| 2014 | 49.841 | 140 |
| 2013 | 49.823 | 139 |
| 2012 | 49.804 | 141 |
| 2011 | 49.784 | 142 |
| 2010 | 49.765 | 145 |
| 2009 | 49.746 | 145 |
| 2008 | 49.728 | 146 |
| 2007 | 49.71 | 146 |
| 2006 | 49.693 | 150 |
| 2005 | 49.677 | 151 |
| 2004 | 49.661 | 152 |
| 2003 | 49.647 | 151 |
| 2002 | 49.634 | 152 |
| 2001 | 49.621 | 151 |
| 2000 | 49.609 | 152 |
| 1999 | 49.597 | 155 |
| 1998 | 49.586 | 156 |
| 1997 | 49.575 | 155 |
| 1996 | 49.562 | 155 |
| 1995 | 49.548 | 154 |
| 1994 | 49.533 | 156 |
| 1993 | 49.515 | 157 |
| 1992 | 49.496 | 156 |
| 1991 | 49.475 | 155 |
| 1990 | 49.453 | 156 |
| 1989 | 49.43 | 156 |
| 1988 | 49.404 | 156 |
| 1987 | 49.38 | 157 |
| 1986 | 49.359 | 158 |