| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 22.22 | 173 |
| 2015 | 22.06 | 173 |
| 2014 | 21.9 | 173 |
| 2013 | 21.83 | 173 |
| 2012 | 21.8 | 173 |
| 2011 | 21.79 | 174 |
| 2010 | 21.57 | 174 |
| 2009 | 20.74 | 174 |
| 2008 | 19.75 | 175 |
| 2007 | 19.29 | 175 |
| 2006 | 18.93 | 176 |
| 2005 | 17.84 | 177 |
| 2004 | 16.8 | 178 |
| 2003 | 16.07 | 180 |
| 2002 | 15.36 | 180 |
| 2001 | 15.2 | 180 |
| 2000 | 15.22 | 180 |
| 1999 | 14.8 | 179 |
| 1998 | 14.55 | 180 |
| 1997 | 14.2 | 179 |
| 1996 | 13.17 | 180 |
| 1995 | 12.23 | 181 |
| 1994 | 13.92 | 178 |
| 1993 | 13.63 | 178 |
| 1992 | 13.12 | 178 |
| 1991 | 13.1 | 179 |
| 1990 | 12.71 | 179 |