| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 50.211 | 101 |
| 2015 | 50.213 | 103 |
| 2014 | 50.216 | 103 |
| 2013 | 50.219 | 104 |
| 2012 | 50.222 | 105 |
| 2011 | 50.226 | 105 |
| 2010 | 50.231 | 107 |
| 2009 | 50.236 | 109 |
| 2008 | 50.241 | 111 |
| 2007 | 50.248 | 112 |
| 2006 | 50.256 | 109 |
| 2005 | 50.268 | 109 |
| 2004 | 50.282 | 109 |
| 2003 | 50.3 | 109 |
| 2002 | 50.318 | 107 |
| 2001 | 50.334 | 102 |
| 2000 | 50.347 | 103 |
| 1999 | 50.356 | 104 |
| 1998 | 50.36 | 104 |
| 1997 | 50.361 | 103 |
| 1996 | 50.357 | 106 |
| 1995 | 50.349 | 104 |
| 1994 | 50.338 | 104 |
| 1993 | 50.322 | 106 |
| 1992 | 50.303 | 108 |
| 1991 | 50.284 | 110 |
| 1990 | 50.267 | 113 |
| 1989 | 50.254 | 112 |
| 1988 | 50.243 | 111 |
| 1987 | 50.234 | 112 |
| 1986 | 50.223 | 109 |