| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 30.96 | 186 |
| 2015 | 30.16 | 185 |
| 2014 | 29.25 | 185 |
| 2013 | 28.28 | 184 |
| 2012 | 27.34 | 184 |
| 2011 | 26.55 | 183 |
| 2010 | 25.96 | 181 |
| 2009 | 25.56 | 182 |
| 2008 | 25.38 | 182 |
| 2007 | 25.35 | 184 |
| 2006 | 25.34 | 186 |
| 2005 | 25.27 | 186 |
| 2004 | 25.21 | 186 |
| 2003 | 25.1 | 187 |
| 2002 | 24.95 | 187 |
| 2001 | 24.77 | 188 |
| 2000 | 24.55 | 190 |
| 1999 | 24.33 | 190 |
| 1998 | 24.07 | 189 |
| 1997 | 23.76 | 189 |
| 1996 | 23.43 | 189 |
| 1995 | 23.08 | 189 |
| 1994 | 22.75 | 187 |
| 1993 | 22.42 | 186 |
| 1992 | 22.09 | 185 |
| 1991 | 21.69 | 186 |
| 1990 | 21.21 | 185 |
| 1989 | 20.77 | 182 |
| 1988 | 20.23 | 182 |
| 1987 | 19.67 | 182 |
| 1986 | 19.27 | 181 |