| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 50.696 | 68 |
| 2015 | 50.659 | 71 |
| 2014 | 50.623 | 72 |
| 2013 | 50.59 | 75 |
| 2012 | 50.559 | 79 |
| 2011 | 50.533 | 83 |
| 2010 | 50.51 | 84 |
| 2009 | 50.491 | 87 |
| 2008 | 50.477 | 90 |
| 2007 | 50.464 | 92 |
| 2006 | 50.448 | 93 |
| 2005 | 50.427 | 94 |
| 2004 | 50.399 | 99 |
| 2003 | 50.365 | 100 |
| 2002 | 50.328 | 105 |
| 2001 | 50.295 | 108 |
| 2000 | 50.267 | 112 |
| 1999 | 50.246 | 113 |
| 1998 | 50.232 | 113 |
| 1997 | 50.223 | 117 |
| 1996 | 50.216 | 117 |
| 1995 | 50.209 | 118 |
| 1994 | 50.201 | 118 |
| 1993 | 50.193 | 117 |
| 1992 | 50.187 | 117 |
| 1991 | 50.186 | 118 |
| 1990 | 50.191 | 119 |
| 1989 | 50.204 | 117 |
| 1988 | 50.223 | 112 |
| 1987 | 50.246 | 111 |
| 1986 | 50.267 | 107 |