| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 24.57 | 174 |
| 2015 | 24.31 | 174 |
| 2014 | 24.06 | 175 |
| 2013 | 24.06 | 174 |
| 2012 | 24.11 | 174 |
| 2011 | 24.17 | 174 |
| 2010 | 23.85 | 175 |
| 2009 | 22.81 | 177 |
| 2008 | 21.54 | 177 |
| 2007 | 21.1 | 178 |
| 2006 | 20.88 | 176 |
| 2005 | 19.32 | 179 |
| 2004 | 17.86 | 179 |
| 2003 | 16.95 | 179 |
| 2002 | 16.08 | 179 |
| 2001 | 15.95 | 179 |
| 2000 | 16.05 | 180 |
| 1999 | 15.53 | 180 |
| 1998 | 15.17 | 181 |
| 1997 | 14.84 | 181 |
| 1996 | 13.61 | 181 |
| 1995 | 12.5 | 181 |
| 1994 | 14.57 | 181 |
| 1993 | 14.19 | 181 |
| 1992 | 13.82 | 181 |
| 1991 | 13.83 | 181 |
| 1990 | 13.44 | 181 |