| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 30.78 | 162 |
| 2015 | 30.68 | 161 |
| 2014 | 30.59 | 161 |
| 2013 | 30.47 | 162 |
| 2012 | 30.35 | 162 |
| 2011 | 30.23 | 162 |
| 2010 | 30.11 | 162 |
| 2009 | 29.9 | 162 |
| 2008 | 29.68 | 162 |
| 2007 | 29.46 | 162 |
| 2006 | 29.24 | 162 |
| 2005 | 29.02 | 163 |
| 2004 | 28.8 | 163 |
| 2003 | 28.58 | 164 |
| 2002 | 28.35 | 165 |
| 2001 | 28.13 | 165 |
| 2000 | 27.89 | 163 |
| 1999 | 27.66 | 166 |
| 1998 | 27.43 | 166 |
| 1997 | 27.19 | 167 |
| 1996 | 26.95 | 167 |
| 1995 | 26.71 | 166 |
| 1994 | 26.47 | 164 |
| 1993 | 26.23 | 163 |
| 1992 | 25.99 | 164 |
| 1991 | 25.75 | 165 |
| 1990 | 25.51 | 166 |