| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 4.75 | 14 |
| 2015 | 4.8 | 15 |
| 2014 | 4.86 | 15 |
| 2013 | 4.92 | 16 |
| 2012 | 4.97 | 17 |
| 2011 | 5.01 | 19 |
| 2010 | 5.05 | 20 |
| 2009 | 5.09 | 19 |
| 2008 | 5.12 | 19 |
| 2007 | 5.14 | 20 |
| 2006 | 5.15 | 19 |
| 2005 | 5.14 | 20 |
| 2004 | 5.17 | 19 |
| 2003 | 5.18 | 18 |
| 2002 | 5.18 | 17 |
| 2001 | 5.16 | 16 |
| 2000 | 5.13 | 17 |
| 1999 | 5.18 | 17 |
| 1998 | 5.22 | 17 |
| 1997 | 5.24 | 18 |
| 1996 | 5.25 | 21 |
| 1995 | 5.25 | 20 |
| 1994 | 5.29 | 19 |
| 1993 | 5.32 | 18 |
| 1992 | 5.34 | 20 |
| 1991 | 5.34 | 22 |
| 1990 | 5.32 | 24 |
| 1989 | 5.36 | 24 |
| 1988 | 5.38 | 26 |
| 1987 | 5.39 | 26 |
| 1986 | 5.39 | 28 |