| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 49.921 | 132 |
| 2015 | 49.922 | 132 |
| 2014 | 49.955 | 129 |
| 2013 | 50.011 | 122 |
| 2012 | 50.069 | 120 |
| 2011 | 50.095 | 119 |
| 2010 | 50.065 | 120 |
| 2009 | 49.966 | 133 |
| 2008 | 49.808 | 143 |
| 2007 | 49.622 | 151 |
| 2006 | 49.458 | 159 |
| 2005 | 49.354 | 162 |
| 2004 | 49.327 | 163 |
| 2003 | 49.367 | 163 |
| 2002 | 49.451 | 160 |
| 2001 | 49.538 | 156 |
| 2000 | 49.599 | 153 |
| 1999 | 49.625 | 152 |
| 1998 | 49.623 | 152 |
| 1997 | 49.599 | 153 |
| 1996 | 49.562 | 156 |
| 1995 | 49.521 | 156 |
| 1994 | 49.475 | 157 |
| 1993 | 49.421 | 161 |
| 1992 | 49.368 | 162 |
| 1991 | 49.327 | 162 |
| 1990 | 49.306 | 161 |
| 1989 | 49.311 | 160 |
| 1988 | 49.342 | 160 |
| 1987 | 49.391 | 156 |
| 1986 | 49.443 | 156 |