| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 49.44 | 144 |
| 2015 | 49.44 | 144 |
| 2014 | 49.72 | 143 |
| 2013 | 49.91 | 141 |
| 2012 | 50.39 | 141 |
| 2011 | 50.55 | 137 |
| 2010 | 50.68 | 132 |
| 2009 | 50.84 | 131 |
| 2008 | 51.58 | 134 |
| 2007 | 51.23 | 135 |
| 2006 | 50.67 | 134 |
| 2005 | 50.78 | 131 |
| 2004 | 50.45 | 132 |
| 2003 | 50.92 | 131 |
| 2002 | 50.11 | 139 |
| 2001 | 49.97 | 136 |
| 2000 | 49.39 | 140 |
| 1999 | 48.49 | 144 |
| 1998 | 48.25 | 147 |
| 1997 | 47.98 | 149 |
| 1996 | 48.41 | 145 |
| 1995 | 48.53 | 147 |
| 1994 | 48.22 | 150 |
| 1993 | 49.01 | 144 |
| 1992 | 49.66 | 141 |
| 1991 | 50.19 | 138 |