| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 4.59 | 117 |
| 2015 | 4.51 | 118 |
| 2014 | 4.44 | 120 |
| 2013 | 4.39 | 121 |
| 2012 | 4.35 | 121 |
| 2011 | 4.32 | 122 |
| 2010 | 4.29 | 122 |
| 2009 | 4.27 | 122 |
| 2008 | 4.24 | 123 |
| 2007 | 4.21 | 123 |
| 2006 | 4.19 | 124 |
| 2005 | 4.17 | 122 |
| 2004 | 4.14 | 123 |
| 2003 | 4.11 | 119 |
| 2002 | 4.07 | 119 |
| 2001 | 4.03 | 118 |
| 2000 | 3.98 | 118 |
| 1999 | 3.94 | 119 |
| 1998 | 3.89 | 120 |
| 1997 | 3.82 | 122 |
| 1996 | 3.76 | 123 |
| 1995 | 3.69 | 123 |
| 1994 | 3.63 | 125 |
| 1993 | 3.57 | 127 |
| 1992 | 3.51 | 132 |
| 1991 | 3.44 | 132 |
| 1990 | 3.36 | 136 |
| 1989 | 3.31 | 136 |
| 1988 | 3.25 | 138 |
| 1987 | 3.2 | 139 |
| 1986 | 3.14 | 141 |