| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 5.17 | 25 |
| 2015 | 5.15 | 25 |
| 2014 | 5.18 | 26 |
| 2013 | 5.2 | 26 |
| 2012 | 5.2 | 26 |
| 2011 | 5.18 | 22 |
| 2010 | 5.14 | 22 |
| 2009 | 5.17 | 23 |
| 2008 | 5.18 | 22 |
| 2007 | 5.18 | 22 |
| 2006 | 5.15 | 20 |
| 2005 | 5.11 | 19 |
| 2004 | 5.17 | 20 |
| 2003 | 5.21 | 20 |
| 2002 | 5.24 | 21 |
| 2001 | 5.26 | 21 |
| 2000 | 5.25 | 19 |
| 1999 | 5.31 | 21 |
| 1998 | 5.37 | 24 |
| 1997 | 5.41 | 25 |
| 1996 | 5.43 | 26 |
| 1995 | 5.43 | 26 |
| 1994 | 5.48 | 28 |
| 1993 | 5.52 | 29 |
| 1992 | 5.54 | 29 |
| 1991 | 5.54 | 30 |
| 1990 | 5.52 | 32 |
| 1989 | 5.55 | 31 |
| 1988 | 5.56 | 30 |
| 1987 | 5.56 | 31 |
| 1986 | 5.53 | 32 |