| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 50.959 | 48 |
| 2015 | 50.928 | 48 |
| 2014 | 50.867 | 54 |
| 2013 | 50.782 | 62 |
| 2012 | 50.689 | 69 |
| 2011 | 50.61 | 74 |
| 2010 | 50.559 | 80 |
| 2009 | 50.542 | 84 |
| 2008 | 50.553 | 85 |
| 2007 | 50.587 | 82 |
| 2006 | 50.631 | 78 |
| 2005 | 50.678 | 71 |
| 2004 | 50.725 | 69 |
| 2003 | 50.774 | 65 |
| 2002 | 50.824 | 63 |
| 2001 | 50.872 | 62 |
| 2000 | 50.916 | 58 |
| 1999 | 50.954 | 54 |
| 1998 | 50.985 | 54 |
| 1997 | 51.009 | 51 |
| 1996 | 51.027 | 48 |
| 1995 | 51.038 | 47 |
| 1994 | 51.044 | 46 |
| 1993 | 51.044 | 48 |
| 1992 | 51.039 | 47 |
| 1991 | 51.029 | 48 |
| 1990 | 51.015 | 50 |
| 1989 | 50.999 | 52 |
| 1988 | 50.98 | 52 |
| 1987 | 50.96 | 54 |
| 1986 | 50.943 | 56 |