| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 48.82 | 23 |
| 2015 | 48.91 | 21 |
| 2014 | 48.97 | 21 |
| 2013 | 48.87 | 25 |
| 2012 | 48.46 | 29 |
| 2011 | 48.75 | 27 |
| 2010 | 48.48 | 30 |
| 2009 | 48.78 | 27 |
| 2008 | 48.32 | 32 |
| 2007 | 48.34 | 31 |
| 2006 | 47.51 | 40 |
| 2005 | 47.47 | 38 |
| 2004 | 46.85 | 47 |
| 2003 | 46.52 | 50 |
| 2002 | 46.91 | 44 |
| 2001 | 46.02 | 55 |
| 2000 | 45.58 | 62 |
| 1999 | 44.82 | 73 |
| 1998 | 44.1 | 80 |
| 1997 | 43.71 | 79 |
| 1996 | 43.46 | 80 |
| 1995 | 42.51 | 86 |
| 1994 | 42.57 | 83 |
| 1993 | 41.69 | 88 |
| 1992 | 41.19 | 90 |
| 1991 | 40.21 | 93 |
| 1990 | 39.9 | 95 |