| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 30.84 | 185 |
| 2015 | 30.45 | 186 |
| 2014 | 29.83 | 187 |
| 2013 | 29.16 | 187 |
| 2012 | 28.51 | 188 |
| 2011 | 27.94 | 189 |
| 2010 | 27.5 | 189 |
| 2009 | 27.22 | 189 |
| 2008 | 27.08 | 190 |
| 2007 | 26.99 | 191 |
| 2006 | 26.84 | 191 |
| 2005 | 26.56 | 191 |
| 2004 | 26.22 | 189 |
| 2003 | 25.77 | 189 |
| 2002 | 25.23 | 189 |
| 2001 | 24.64 | 187 |
| 2000 | 24.04 | 184 |
| 1999 | 23.57 | 183 |
| 1998 | 23.09 | 183 |
| 1997 | 22.6 | 183 |
| 1996 | 22.12 | 182 |
| 1995 | 21.65 | 181 |
| 1994 | 21.29 | 180 |
| 1993 | 20.98 | 179 |
| 1992 | 20.71 | 178 |
| 1991 | 20.49 | 180 |
| 1990 | 20.31 | 181 |
| 1989 | 19.96 | 179 |
| 1988 | 19.73 | 180 |
| 1987 | 19.61 | 181 |
| 1986 | 19.58 | 182 |