| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 30.69 | 185 |
| 2015 | 29.86 | 185 |
| 2014 | 29.02 | 182 |
| 2013 | 28.19 | 183 |
| 2012 | 27.35 | 184 |
| 2011 | 26.51 | 185 |
| 2010 | 25.67 | 186 |
| 2009 | 24.83 | 186 |
| 2008 | 23.99 | 186 |
| 2007 | 23.16 | 190 |
| 2006 | 22.34 | 190 |
| 2005 | 21.54 | 195 |
| 2004 | 20.76 | 196 |
| 2003 | 20 | 196 |
| 2002 | 19.26 | 196 |
| 2001 | 18.54 | 197 |
| 2000 | 17.84 | 198 |
| 1999 | 17.17 | 199 |
| 1998 | 16.51 | 199 |
| 1997 | 15.88 | 202 |
| 1996 | 15.41 | 202 |
| 1995 | 15.13 | 202 |
| 1994 | 14.86 | 202 |
| 1993 | 14.59 | 202 |
| 1992 | 14.33 | 203 |
| 1991 | 14.07 | 203 |
| 1990 | 13.82 | 202 |
| 1989 | 13.56 | 199 |
| 1988 | 13.32 | 199 |
| 1987 | 13.07 | 200 |
| 1986 | 12.83 | 200 |