| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 13.96 | 125 |
| 2015 | 13.48 | 126 |
| 2014 | 13.08 | 125 |
| 2013 | 12.71 | 126 |
| 2012 | 12.35 | 127 |
| 2011 | 12.01 | 127 |
| 2010 | 11.68 | 126 |
| 2009 | 11.33 | 125 |
| 2008 | 11.01 | 125 |
| 2007 | 10.71 | 120 |
| 2006 | 10.44 | 120 |
| 2005 | 10.2 | 117 |
| 2004 | 10.03 | 114 |
| 2003 | 9.88 | 114 |
| 2002 | 9.77 | 115 |
| 2001 | 9.69 | 115 |
| 2000 | 9.62 | 118 |
| 1999 | 9.61 | 119 |
| 1998 | 9.62 | 120 |
| 1997 | 9.64 | 122 |
| 1996 | 9.65 | 122 |
| 1995 | 9.62 | 123 |
| 1994 | 9.65 | 123 |
| 1993 | 9.64 | 123 |
| 1992 | 9.61 | 123 |
| 1991 | 9.56 | 125 |
| 1990 | 9.51 | 126 |
| 1989 | 9.49 | 127 |
| 1988 | 9.46 | 128 |
| 1987 | 9.4 | 128 |
| 1986 | 9.34 | 128 |