| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 45.76 | 44 |
| 2015 | 44.82 | 39 |
| 2014 | 44.07 | 34 |
| 2013 | 43.55 | 32 |
| 2012 | 43.2 | 30 |
| 2011 | 42.89 | 29 |
| 2010 | 42.53 | 27 |
| 2009 | 42.63 | 25 |
| 2008 | 42.88 | 22 |
| 2007 | 43.25 | 22 |
| 2006 | 43.63 | 22 |
| 2005 | 43.92 | 21 |
| 2004 | 44.28 | 20 |
| 2003 | 44.38 | 19 |
| 2002 | 44.35 | 17 |
| 2001 | 44.42 | 14 |
| 2000 | 44.76 | 13 |
| 1999 | 45.69 | 13 |
| 1998 | 46.93 | 20 |
| 1997 | 48.28 | 29 |
| 1996 | 49.42 | 37 |
| 1995 | 50.14 | 37 |
| 1994 | 50.67 | 39 |
| 1993 | 50.73 | 39 |
| 1992 | 50.45 | 31 |
| 1991 | 50.06 | 29 |
| 1990 | 49.73 | 27 |
| 1989 | 49.58 | 26 |
| 1988 | 49.52 | 26 |
| 1987 | 49.51 | 23 |
| 1986 | 49.46 | 24 |