| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 44.02 | 32 |
| 2015 | 43.62 | 30 |
| 2014 | 44.06 | 33 |
| 2013 | 44.56 | 34 |
| 2012 | 45.1 | 37 |
| 2011 | 45.68 | 45 |
| 2010 | 46.28 | 47 |
| 2009 | 46.75 | 48 |
| 2008 | 47.33 | 51 |
| 2007 | 47.99 | 54 |
| 2006 | 48.69 | 54 |
| 2005 | 49.35 | 58 |
| 2004 | 49.52 | 56 |
| 2003 | 49.62 | 52 |
| 2002 | 49.6 | 52 |
| 2001 | 49.49 | 51 |
| 2000 | 49.29 | 48 |
| 1999 | 49.2 | 42 |
| 1998 | 49.04 | 38 |
| 1997 | 48.8 | 35 |
| 1996 | 48.4 | 28 |
| 1995 | 47.81 | 23 |
| 1994 | 47.17 | 18 |
| 1993 | 46.43 | 16 |
| 1992 | 45.68 | 15 |
| 1991 | 44.99 | 9 |
| 1990 | 44.41 | 8 |
| 1989 | 43.98 | 5 |
| 1988 | 43.69 | 4 |
| 1987 | 43.55 | 4 |
| 1986 | 43.6 | 3 |