| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 50.64 | 108 |
| 2015 | 50.52 | 110 |
| 2014 | 50.41 | 111 |
| 2013 | 50.42 | 109 |
| 2012 | 50.51 | 109 |
| 2011 | 50.84 | 105 |
| 2010 | 50.24 | 108 |
| 2009 | 49.25 | 110 |
| 2008 | 48.76 | 109 |
| 2007 | 48.37 | 110 |
| 2006 | 48.73 | 107 |
| 2005 | 49.84 | 105 |
| 2004 | 50.23 | 100 |
| 2003 | 51.16 | 92 |
| 2002 | 51.71 | 91 |
| 2001 | 52.73 | 84 |
| 2000 | 48.74 | 108 |
| 1999 | 50.35 | 91 |
| 1998 | 49.77 | 92 |
| 1997 | 49.3 | 95 |
| 1996 | 49.16 | 95 |
| 1995 | 49.49 | 92 |
| 1994 | 47.74 | 101 |
| 1993 | 47.99 | 95 |
| 1992 | 48.04 | 94 |
| 1991 | 47.26 | 97 |
| 1990 | 47.65 | 93 |