| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 38.56 | 14 |
| 2015 | 38.33 | 18 |
| 2014 | 38.06 | 24 |
| 2013 | 38.41 | 26 |
| 2012 | 38.07 | 32 |
| 2011 | 38.38 | 32 |
| 2010 | 38.27 | 32 |
| 2009 | 36.68 | 31 |
| 2008 | 36.28 | 42 |
| 2007 | 37.01 | 38 |
| 2006 | 36.86 | 40 |
| 2005 | 37.5 | 32 |
| 2004 | 37.96 | 30 |
| 2003 | 36.6 | 32 |
| 2002 | 36.38 | 35 |
| 2001 | 36.83 | 32 |
| 2000 | 38.09 | 27 |
| 1999 | 37.8 | 21 |
| 1998 | 38.05 | 18 |
| 1997 | 38.57 | 21 |
| 1996 | 38.57 | 23 |
| 1995 | 39.51 | 19 |
| 1994 | 39.25 | 26 |
| 1993 | 39.11 | 25 |
| 1992 | 38.85 | 30 |
| 1991 | 40.21 | 23 |
| 1990 | 39.64 | 27 |
| 1989 | 39.2 | 23 |
| 1988 | 39.87 | 19 |
| 1987 | 39.3 | 21 |
| 1986 | 38.15 | 19 |