| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 4.71 | 115 |
| 2015 | 4.63 | 115 |
| 2014 | 4.58 | 117 |
| 2013 | 4.55 | 116 |
| 2012 | 4.52 | 116 |
| 2011 | 4.5 | 116 |
| 2010 | 4.46 | 119 |
| 2009 | 4.44 | 119 |
| 2008 | 4.4 | 119 |
| 2007 | 4.35 | 120 |
| 2006 | 4.3 | 119 |
| 2005 | 4.24 | 121 |
| 2004 | 4.21 | 117 |
| 2003 | 4.18 | 116 |
| 2002 | 4.15 | 115 |
| 2001 | 4.12 | 115 |
| 2000 | 4.08 | 115 |
| 1999 | 4.06 | 115 |
| 1998 | 4.04 | 112 |
| 1997 | 4.03 | 112 |
| 1996 | 4.01 | 112 |
| 1995 | 3.99 | 111 |
| 1994 | 4 | 111 |
| 1993 | 4.01 | 109 |
| 1992 | 4.02 | 109 |
| 1991 | 4.03 | 109 |
| 1990 | 4.02 | 105 |
| 1989 | 4.05 | 103 |
| 1988 | 4.06 | 101 |
| 1987 | 4.07 | 97 |
| 1986 | 4.08 | 96 |