| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 29.15 | 161 |
| 2015 | 28.81 | 161 |
| 2014 | 28.26 | 161 |
| 2013 | 27.99 | 162 |
| 2012 | 27.59 | 162 |
| 2011 | 27.16 | 162 |
| 2010 | 26.62 | 163 |
| 2009 | 26.15 | 163 |
| 2008 | 25.62 | 164 |
| 2007 | 25.14 | 165 |
| 2006 | 25.24 | 165 |
| 2005 | 25.25 | 165 |
| 2004 | 25.31 | 165 |
| 2003 | 25.42 | 166 |
| 2002 | 25.54 | 165 |
| 2001 | 24.51 | 166 |
| 2000 | 24.37 | 168 |
| 1999 | 24.07 | 168 |
| 1998 | 23.54 | 167 |
| 1997 | 23.26 | 168 |
| 1996 | 23.7 | 167 |
| 1995 | 23.69 | 167 |
| 1994 | 22.49 | 167 |
| 1993 | 22.33 | 168 |
| 1992 | 22.5 | 167 |
| 1991 | 22.31 | 166 |