| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 5.28 | 27 |
| 2015 | 5.25 | 28 |
| 2014 | 5.26 | 28 |
| 2013 | 5.27 | 28 |
| 2012 | 5.28 | 27 |
| 2011 | 5.29 | 27 |
| 2010 | 5.29 | 27 |
| 2009 | 5.34 | 26 |
| 2008 | 5.4 | 27 |
| 2007 | 5.45 | 28 |
| 2006 | 5.49 | 30 |
| 2005 | 5.51 | 29 |
| 2004 | 5.59 | 30 |
| 2003 | 5.64 | 33 |
| 2002 | 5.65 | 32 |
| 2001 | 5.63 | 32 |
| 2000 | 5.59 | 32 |
| 1999 | 5.61 | 31 |
| 1998 | 5.63 | 32 |
| 1997 | 5.64 | 33 |
| 1996 | 5.64 | 32 |
| 1995 | 5.63 | 32 |
| 1994 | 5.63 | 31 |
| 1993 | 5.61 | 31 |
| 1992 | 5.59 | 30 |
| 1991 | 5.55 | 31 |
| 1990 | 5.5 | 31 |
| 1989 | 5.56 | 32 |
| 1988 | 5.62 | 34 |
| 1987 | 5.68 | 36 |
| 1986 | 5.72 | 38 |