| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 35.68 | 21 |
| 2015 | 36.43 | 24 |
| 2014 | 37.17 | 28 |
| 2013 | 37.19 | 30 |
| 2012 | 37.49 | 34 |
| 2011 | 37.23 | 37 |
| 2010 | 37.8 | 34 |
| 2009 | 38.46 | 23 |
| 2008 | 42.92 | 24 |
| 2007 | 42.22 | 22 |
| 2006 | 46.1 | 18 |
| 2005 | 45.93 | 17 |
| 2004 | 48.53 | 12 |
| 2003 | 46.58 | 12 |
| 2002 | 45.12 | 13 |
| 2001 | 46.2 | 13 |
| 2000 | 48.32 | 12 |
| 1999 | 46.46 | 8 |
| 1998 | 43.88 | 12 |
| 1997 | 44.57 | 13 |
| 1996 | 43.53 | 13 |
| 1995 | 41.4 | 16 |
| 1994 | 40.04 | 23 |
| 1993 | 40.09 | 21 |
| 1992 | 41.14 | 22 |
| 1991 | 42.11 | 19 |
| 1990 | 42.2 | 23 |
| 1989 | 39.8 | 22 |
| 1988 | 38.36 | 23 |
| 1987 | 38.53 | 22 |
| 1986 | 39.23 | 17 |