| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 9.57 | 189 |
| 2015 | 9.84 | 189 |
| 2014 | 10.13 | 188 |
| 2013 | 10.43 | 189 |
| 2012 | 10.75 | 188 |
| 2011 | 11.09 | 189 |
| 2010 | 11.45 | 186 |
| 2009 | 11.82 | 184 |
| 2008 | 12.2 | 184 |
| 2007 | 12.59 | 183 |
| 2006 | 12.99 | 183 |
| 2005 | 13.4 | 184 |
| 2004 | 13.82 | 183 |
| 2003 | 14.26 | 182 |
| 2002 | 14.7 | 182 |
| 2001 | 15.16 | 181 |
| 2000 | 15.78 | 181 |
| 1999 | 16.55 | 180 |
| 1998 | 17.11 | 181 |
| 1997 | 17.22 | 181 |
| 1996 | 17.18 | 181 |
| 1995 | 17.11 | 181 |
| 1994 | 17.52 | 181 |
| 1993 | 18.14 | 181 |
| 1992 | 18.47 | 181 |
| 1991 | 18.87 | 181 |
| 1990 | 19.05 | 181 |
| 1989 | 19.11 | 180 |
| 1988 | 19.16 | 180 |
| 1987 | 19.22 | 180 |
| 1986 | 19.28 | 181 |