| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 50.93 | 105 |
| 2015 | 50.88 | 106 |
| 2014 | 50.83 | 107 |
| 2013 | 50.88 | 107 |
| 2012 | 51.25 | 101 |
| 2011 | 51.6 | 101 |
| 2010 | 51.93 | 96 |
| 2009 | 51.21 | 99 |
| 2008 | 51.14 | 98 |
| 2007 | 50.72 | 98 |
| 2006 | 50.32 | 102 |
| 2005 | 49.95 | 104 |
| 2004 | 49.76 | 103 |
| 2003 | 49.56 | 107 |
| 2002 | 49.35 | 107 |
| 2001 | 49.83 | 102 |
| 2000 | 50.29 | 91 |
| 1999 | 50.79 | 90 |
| 1998 | 49.69 | 93 |
| 1997 | 49.22 | 96 |
| 1996 | 51.12 | 86 |
| 1995 | 50.92 | 86 |
| 1994 | 50.71 | 87 |
| 1993 | 49.58 | 88 |
| 1992 | 48.44 | 92 |
| 1991 | 49.32 | 88 |
| 1990 | 50.2 | 86 |