| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 32.49 | 156 |
| 2015 | 32.88 | 155 |
| 2014 | 31.31 | 156 |
| 2013 | 31.54 | 156 |
| 2012 | 30.08 | 159 |
| 2011 | 30.21 | 158 |
| 2010 | 29.25 | 160 |
| 2009 | 28.79 | 162 |
| 2008 | 28.33 | 162 |
| 2007 | 27.94 | 162 |
| 2006 | 26.59 | 164 |
| 2005 | 26.27 | 164 |
| 2004 | 25.33 | 164 |
| 2003 | 27.43 | 163 |
| 2002 | 28.57 | 163 |
| 2001 | 28.56 | 163 |
| 2000 | 27.16 | 164 |
| 1999 | 27.63 | 163 |
| 1998 | 26.09 | 165 |
| 1997 | 27.01 | 163 |
| 1996 | 27.51 | 162 |
| 1995 | 29.8 | 153 |
| 1994 | 29.54 | 153 |
| 1993 | 29.94 | 150 |
| 1992 | 29.65 | 151 |
| 1991 | 29.45 | 152 |