| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 20.77 | 166 |
| 2015 | 20.86 | 163 |
| 2014 | 20.97 | 162 |
| 2013 | 21.13 | 161 |
| 2012 | 19.88 | 163 |
| 2011 | 21.54 | 161 |
| 2010 | 22.02 | 163 |
| 2009 | 22.45 | 162 |
| 2008 | 21.85 | 168 |
| 2007 | 21.01 | 170 |
| 2006 | 22.7 | 167 |
| 2005 | 21.52 | 167 |
| 2004 | 20.55 | 173 |
| 2003 | 18.82 | 177 |
| 2002 | 18.58 | 178 |
| 2001 | 18.63 | 179 |
| 2000 | 17.57 | 180 |
| 1999 | 20.49 | 174 |
| 1998 | 21.19 | 173 |
| 1997 | 21.9 | 173 |
| 1996 | 20.36 | 177 |
| 1995 | 20.24 | 179 |
| 1994 | 21.5 | 175 |
| 1993 | 21.25 | 175 |
| 1992 | 20.57 | 178 |
| 1991 | 20.83 | 179 |