| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 21.98 | 170 |
| 2015 | 21.82 | 170 |
| 2014 | 21.89 | 170 |
| 2013 | 21.74 | 170 |
| 2012 | 21.84 | 170 |
| 2011 | 21.89 | 170 |
| 2010 | 21.51 | 170 |
| 2009 | 20.64 | 172 |
| 2008 | 19.64 | 173 |
| 2007 | 19.25 | 173 |
| 2006 | 18.84 | 174 |
| 2005 | 16.75 | 176 |
| 2004 | 15.52 | 176 |
| 2003 | 14.1 | 179 |
| 2002 | 13.41 | 181 |
| 2001 | 13.16 | 181 |
| 2000 | 13.48 | 181 |
| 1999 | 13.23 | 180 |
| 1998 | 12.89 | 180 |
| 1997 | 12.3 | 180 |
| 1996 | 11.52 | 180 |
| 1995 | 10.72 | 181 |
| 1994 | 13.23 | 179 |
| 1993 | 12.78 | 180 |
| 1992 | 11.86 | 179 |
| 1991 | 11.54 | 180 |