| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 11.13 | 184 |
| 2015 | 11.23 | 184 |
| 2014 | 11.28 | 183 |
| 2013 | 11.17 | 184 |
| 2012 | 11.06 | 185 |
| 2011 | 10.97 | 185 |
| 2010 | 10.87 | 184 |
| 2009 | 10.76 | 185 |
| 2008 | 10.61 | 186 |
| 2007 | 10.1 | 186 |
| 2006 | 9.84 | 185 |
| 2005 | 9.72 | 184 |
| 2004 | 7.72 | 186 |
| 2003 | 7.42 | 185 |
| 2002 | 9.39 | 184 |
| 2001 | 9.2 | 184 |
| 2000 | 9.03 | 185 |
| 1999 | 8.85 | 185 |
| 1998 | 8.68 | 185 |
| 1997 | 8.52 | 184 |
| 1996 | 8.36 | 183 |
| 1995 | 8.22 | 184 |
| 1994 | 8.06 | 183 |
| 1993 | 7.89 | 182 |
| 1992 | 7.74 | 183 |
| 1991 | 7.62 | 183 |