| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 14.82 | 122 |
| 2015 | 14.19 | 151 |
| 2014 | 15.08 | 153 |
| 2013 | 13.83 | 162 |
| 2012 | 12.98 | 163 |
| 2011 | 13.08 | 166 |
| 2010 | 12.3 | 168 |
| 2009 | 13.58 | 162 |
| 2008 | 10.72 | 169 |
| 2007 | 9.94 | 170 |
| 2006 | 10.2 | 168 |
| 2005 | 9.42 | 168 |
| 2004 | 47.12 | 13 |
| 2003 | 24.36 | 107 |
| 2002 | 14.84 | 156 |
| 2001 | 13.58 | 158 |
| 2000 | 11.34 | 165 |
| 1999 | 12.75 | 157 |
| 1998 | 13.47 | 153 |
| 1997 | 14.24 | 153 |
| 1996 | 12.93 | 150 |
| 1995 | 13.64 | 150 |
| 1994 | 11.92 | 136 |
| 1993 | 14.08 | 125 |
| 1992 | 13.43 | 122 |
| 1991 | 13.26 | 123 |
| 1990 | 17.72 | 109 |
| 1989 | 16.67 | 100 |
| 1988 | 13.51 | 100 |
| 1987 | 14.56 | 100 |
| 1986 | 14.99 | 93 |