| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 29.19 | 167 |
| 2015 | 29.1 | 167 |
| 2014 | 29.01 | 167 |
| 2013 | 28.98 | 166 |
| 2012 | 28.95 | 167 |
| 2011 | 28.92 | 165 |
| 2010 | 28.78 | 166 |
| 2009 | 28.64 | 167 |
| 2008 | 28.27 | 167 |
| 2007 | 28.08 | 168 |
| 2006 | 27.78 | 168 |
| 2005 | 27.84 | 169 |
| 2004 | 27.66 | 169 |
| 2003 | 27.47 | 168 |
| 2002 | 27.28 | 169 |
| 2001 | 26.94 | 168 |
| 2000 | 26.69 | 169 |
| 1999 | 26.41 | 171 |
| 1998 | 26.32 | 171 |
| 1997 | 26.11 | 171 |
| 1996 | 25.68 | 171 |
| 1995 | 25.62 | 171 |
| 1994 | 25.69 | 171 |
| 1993 | 25.35 | 170 |
| 1992 | 25.34 | 170 |
| 1991 | 25.21 | 170 |
| 1990 | 25.1 | 169 |