| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 26.4 | 166 |
| 2015 | 26.36 | 166 |
| 2014 | 26.33 | 166 |
| 2013 | 26.27 | 167 |
| 2012 | 26.16 | 167 |
| 2011 | 26.63 | 166 |
| 2010 | 26.6 | 168 |
| 2009 | 26.27 | 168 |
| 2008 | 26.93 | 165 |
| 2007 | 27.3 | 165 |
| 2006 | 27.28 | 165 |
| 2005 | 27.52 | 165 |
| 2004 | 27.61 | 165 |
| 2003 | 26.78 | 166 |
| 2002 | 25.02 | 169 |
| 2001 | 25.28 | 167 |
| 2000 | 27.74 | 165 |
| 1999 | 28.32 | 164 |
| 1998 | 27.99 | 165 |
| 1997 | 27.37 | 166 |
| 1996 | 27.19 | 166 |
| 1995 | 26.51 | 167 |
| 1994 | 26.57 | 163 |
| 1993 | 26.03 | 164 |
| 1992 | 26.01 | 163 |
| 1991 | 26.08 | 163 |
| 1990 | 25.77 | 163 |