| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 49.04 | 18 |
| 2015 | 49.11 | 18 |
| 2014 | 49.2 | 18 |
| 2013 | 48.94 | 23 |
| 2012 | 48.67 | 28 |
| 2011 | 48.64 | 28 |
| 2010 | 48.6 | 28 |
| 2009 | 48.49 | 30 |
| 2008 | 48.38 | 31 |
| 2007 | 48.07 | 33 |
| 2006 | 47.73 | 35 |
| 2005 | 47.35 | 40 |
| 2004 | 46.91 | 46 |
| 2003 | 46.44 | 52 |
| 2002 | 45.94 | 59 |
| 2001 | 45.42 | 70 |
| 2000 | 44.9 | 73 |
| 1999 | 44.98 | 69 |
| 1998 | 45.09 | 62 |
| 1997 | 45.24 | 60 |
| 1996 | 45.36 | 59 |
| 1995 | 45.46 | 55 |
| 1994 | 45.56 | 55 |
| 1993 | 45.4 | 58 |
| 1992 | 45.15 | 61 |
| 1991 | 45.04 | 59 |
| 1990 | 44.86 | 59 |