| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 29.93 | 183 |
| 2015 | 29.4 | 183 |
| 2014 | 28.88 | 184 |
| 2013 | 28.38 | 185 |
| 2012 | 27.88 | 185 |
| 2011 | 27.37 | 188 |
| 2010 | 26.84 | 188 |
| 2009 | 26.48 | 188 |
| 2008 | 26.09 | 187 |
| 2007 | 25.66 | 186 |
| 2006 | 25.18 | 184 |
| 2005 | 24.62 | 184 |
| 2004 | 24.3 | 182 |
| 2003 | 23.88 | 181 |
| 2002 | 23.38 | 182 |
| 2001 | 22.85 | 179 |
| 2000 | 22.32 | 178 |
| 1999 | 22.09 | 177 |
| 1998 | 21.89 | 177 |
| 1997 | 21.68 | 178 |
| 1996 | 21.38 | 178 |
| 1995 | 20.94 | 177 |
| 1994 | 20.43 | 176 |
| 1993 | 19.81 | 175 |
| 1992 | 19.13 | 171 |
| 1991 | 18.45 | 171 |
| 1990 | 17.81 | 170 |
| 1989 | 17.63 | 169 |
| 1988 | 17.5 | 169 |
| 1987 | 17.42 | 169 |
| 1986 | 17.42 | 170 |