| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 24.49 | 149 |
| 2015 | 24.7 | 149 |
| 2014 | 24.91 | 148 |
| 2013 | 25.11 | 148 |
| 2012 | 25.31 | 149 |
| 2011 | 25.51 | 150 |
| 2010 | 25.71 | 151 |
| 2009 | 25.91 | 151 |
| 2008 | 26.11 | 152 |
| 2007 | 26.31 | 153 |
| 2006 | 26.51 | 150 |
| 2005 | 26.65 | 150 |
| 2004 | 26.71 | 152 |
| 2003 | 26.77 | 152 |
| 2002 | 26.83 | 152 |
| 2001 | 26.89 | 154 |
| 2000 | 26.93 | 155 |
| 1999 | 26.94 | 155 |
| 1998 | 26.9 | 155 |
| 1997 | 26.83 | 155 |
| 1996 | 26.77 | 155 |
| 1995 | 26.71 | 156 |
| 1994 | 26.66 | 157 |
| 1993 | 26.62 | 159 |
| 1992 | 26.64 | 159 |
| 1991 | 26.73 | 159 |
| 1990 | 26.88 | 159 |
| 1989 | 27.02 | 162 |
| 1988 | 27 | 163 |
| 1987 | 27.8 | 163 |
| 1986 | 27.38 | 164 |