| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 29.62 | 182 |
| 2015 | 28.94 | 182 |
| 2014 | 28.29 | 182 |
| 2013 | 27.65 | 182 |
| 2012 | 27.05 | 182 |
| 2011 | 26.5 | 181 |
| 2010 | 26.02 | 183 |
| 2009 | 25.71 | 183 |
| 2008 | 25.47 | 184 |
| 2007 | 25.26 | 183 |
| 2006 | 24.99 | 183 |
| 2005 | 24.61 | 183 |
| 2004 | 24.32 | 183 |
| 2003 | 23.9 | 182 |
| 2002 | 23.37 | 181 |
| 2001 | 22.82 | 178 |
| 2000 | 22.28 | 177 |
| 1999 | 21.98 | 175 |
| 1998 | 21.71 | 175 |
| 1997 | 21.45 | 175 |
| 1996 | 21.11 | 175 |
| 1995 | 20.68 | 176 |
| 1994 | 20.16 | 173 |
| 1993 | 19.56 | 173 |
| 1992 | 18.9 | 170 |
| 1991 | 18.25 | 170 |
| 1990 | 17.63 | 169 |
| 1989 | 17.44 | 167 |
| 1988 | 17.3 | 168 |
| 1987 | 17.21 | 168 |
| 1986 | 17.2 | 168 |