| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 22.03 | 159 |
| 2015 | 21.91 | 161 |
| 2014 | 20.38 | 163 |
| 2013 | 21.46 | 160 |
| 2012 | 20.98 | 161 |
| 2011 | 22.84 | 154 |
| 2010 | 26.18 | 137 |
| 2009 | 25.62 | 147 |
| 2008 | 25.59 | 151 |
| 2007 | 24.9 | 153 |
| 2006 | 23.59 | 159 |
| 2005 | 25.31 | 153 |
| 2004 | 25.41 | 154 |
| 2003 | 23.42 | 165 |
| 2002 | 22.94 | 168 |
| 2001 | 20.74 | 171 |
| 2000 | 23.64 | 167 |
| 1999 | 27.4 | 156 |
| 1998 | 23.43 | 170 |
| 1997 | 23.74 | 169 |
| 1996 | 23.85 | 166 |
| 1995 | 22.43 | 174 |
| 1994 | 22.25 | 174 |
| 1993 | 21.93 | 173 |
| 1992 | 23.23 | 172 |
| 1991 | 21.73 | 177 |