| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 19.27 | 164 |
| 2015 | 19.53 | 164 |
| 2014 | 19.79 | 163 |
| 2013 | 20.06 | 163 |
| 2012 | 20.34 | 163 |
| 2011 | 20.62 | 164 |
| 2010 | 20.9 | 164 |
| 2009 | 21.19 | 164 |
| 2008 | 21.47 | 164 |
| 2007 | 21.77 | 164 |
| 2006 | 22.11 | 164 |
| 2005 | 22.51 | 164 |
| 2004 | 22.73 | 165 |
| 2003 | 22.77 | 165 |
| 2002 | 23 | 165 |
| 2001 | 23.44 | 164 |
| 2000 | 23.92 | 162 |
| 1999 | 24.91 | 160 |
| 1998 | 25.63 | 160 |
| 1997 | 25.69 | 159 |
| 1996 | 25.96 | 160 |
| 1995 | 26.24 | 160 |
| 1994 | 26.55 | 159 |
| 1993 | 26.94 | 158 |
| 1992 | 27.34 | 158 |
| 1991 | 27.74 | 158 |
| 1990 | 28.04 | 158 |
| 1989 | 28.17 | 157 |
| 1988 | 28.3 | 160 |
| 1987 | 28.43 | 161 |
| 1986 | 28.56 | 162 |