| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 20.48 | 160 |
| 2015 | 20.75 | 161 |
| 2014 | 21.03 | 160 |
| 2013 | 21.31 | 160 |
| 2012 | 21.59 | 160 |
| 2011 | 21.88 | 161 |
| 2010 | 22.18 | 161 |
| 2009 | 22.47 | 161 |
| 2008 | 22.77 | 160 |
| 2007 | 23.08 | 160 |
| 2006 | 23.38 | 159 |
| 2005 | 23.69 | 159 |
| 2004 | 24 | 158 |
| 2003 | 24.32 | 159 |
| 2002 | 24.64 | 159 |
| 2001 | 24.96 | 159 |
| 2000 | 25.28 | 159 |
| 1999 | 25.56 | 159 |
| 1998 | 25.81 | 158 |
| 1997 | 26.07 | 158 |
| 1996 | 26.33 | 159 |
| 1995 | 26.63 | 157 |
| 1994 | 27.02 | 156 |
| 1993 | 27.4 | 156 |
| 1992 | 27.79 | 157 |
| 1991 | 28.18 | 157 |
| 1990 | 28.58 | 156 |
| 1989 | 29.04 | 153 |
| 1988 | 29.54 | 155 |
| 1987 | 30.04 | 156 |
| 1986 | 30.54 | 157 |