| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 16.92 | 182 |
| 2015 | 16.82 | 182 |
| 2014 | 16.7 | 182 |
| 2013 | 16.85 | 182 |
| 2012 | 16.13 | 182 |
| 2011 | 15.22 | 184 |
| 2010 | 14.36 | 185 |
| 2009 | 14.19 | 185 |
| 2008 | 13.79 | 186 |
| 2007 | 13.44 | 186 |
| 2006 | 13.11 | 185 |
| 2005 | 12.82 | 185 |
| 2004 | 12.57 | 185 |
| 2003 | 12.34 | 184 |
| 2002 | 12.15 | 185 |
| 2001 | 12 | 185 |
| 2000 | 11.89 | 185 |
| 1999 | 11.82 | 185 |
| 1998 | 11.8 | 185 |
| 1997 | 11.81 | 184 |
| 1996 | 11.86 | 184 |
| 1995 | 11.51 | 184 |
| 1994 | 11.15 | 184 |
| 1993 | 10.81 | 183 |
| 1992 | 10.5 | 183 |
| 1991 | 10.2 | 183 |
| 1990 | 9.93 | 183 |