| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 42.15 | 21 |
| 2015 | 41.57 | 22 |
| 2014 | 41.32 | 19 |
| 2013 | 41.18 | 19 |
| 2012 | 41.18 | 20 |
| 2011 | 41.4 | 22 |
| 2010 | 41.85 | 23 |
| 2009 | 42.39 | 23 |
| 2008 | 43.13 | 25 |
| 2007 | 43.96 | 26 |
| 2006 | 44.75 | 29 |
| 2005 | 45.37 | 33 |
| 2004 | 46.06 | 33 |
| 2003 | 46.64 | 34 |
| 2002 | 47.13 | 34 |
| 2001 | 47.66 | 38 |
| 2000 | 48.3 | 38 |
| 1999 | 48.94 | 40 |
| 1998 | 49.61 | 43 |
| 1997 | 50.25 | 44 |
| 1996 | 50.77 | 44 |
| 1995 | 51.07 | 44 |
| 1994 | 51.01 | 43 |
| 1993 | 50.83 | 40 |
| 1992 | 50.57 | 36 |
| 1991 | 50.32 | 31 |
| 1990 | 50.14 | 31 |
| 1989 | 50.1 | 30 |
| 1988 | 50.12 | 32 |
| 1987 | 50.23 | 29 |
| 1986 | 50.46 | 29 |