| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 49.806 | 141 |
| 2015 | 49.84 | 138 |
| 2014 | 49.871 | 139 |
| 2013 | 49.909 | 136 |
| 2012 | 49.953 | 132 |
| 2011 | 49.995 | 126 |
| 2010 | 50.04 | 123 |
| 2009 | 50.086 | 117 |
| 2008 | 50.134 | 115 |
| 2007 | 50.183 | 115 |
| 2006 | 50.239 | 111 |
| 2005 | 50.289 | 108 |
| 2004 | 50.354 | 101 |
| 2003 | 50.418 | 97 |
| 2002 | 50.479 | 91 |
| 2001 | 50.524 | 89 |
| 2000 | 50.557 | 83 |
| 1999 | 50.573 | 79 |
| 1998 | 50.572 | 80 |
| 1997 | 50.561 | 82 |
| 1996 | 50.548 | 83 |
| 1995 | 50.54 | 87 |
| 1994 | 50.533 | 87 |
| 1993 | 50.54 | 84 |
| 1992 | 50.55 | 84 |
| 1991 | 50.588 | 83 |
| 1990 | 50.654 | 75 |
| 1989 | 50.756 | 62 |
| 1988 | 50.881 | 58 |
| 1987 | 51.018 | 52 |
| 1986 | 51.147 | 45 |