| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 13.96 | 126 |
| 2015 | 13.37 | 125 |
| 2014 | 13.29 | 127 |
| 2013 | 13.42 | 129 |
| 2012 | 13.62 | 133 |
| 2011 | 13.78 | 134 |
| 2010 | 13.84 | 135 |
| 2009 | 13.9 | 136 |
| 2008 | 13.95 | 138 |
| 2007 | 13.97 | 138 |
| 2006 | 13.95 | 139 |
| 2005 | 13.87 | 139 |
| 2004 | 14.04 | 139 |
| 2003 | 14.12 | 139 |
| 2002 | 14.13 | 140 |
| 2001 | 14.09 | 140 |
| 2000 | 14.04 | 140 |
| 1999 | 14.13 | 140 |
| 1998 | 14.19 | 142 |
| 1997 | 14.22 | 141 |
| 1996 | 14.17 | 144 |
| 1995 | 13.99 | 144 |
| 1994 | 13.97 | 144 |
| 1993 | 13.84 | 145 |
| 1992 | 13.61 | 145 |
| 1991 | 13.32 | 145 |
| 1990 | 13 | 144 |
| 1989 | 12.7 | 143 |
| 1988 | 12.38 | 143 |
| 1987 | 12.06 | 144 |
| 1986 | 11.77 | 144 |