| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 9.607 | 56 |
| 2015 | 9.835 | 62 |
| 2014 | 10.072 | 66 |
| 2013 | 9.952 | 69 |
| 2012 | 10.157 | 71 |
| 2011 | 10.914 | 64 |
| 2010 | 10.999 | 64 |
| 2009 | 10.065 | 89 |
| 2008 | 10.429 | 83 |
| 2007 | 10.439 | 86 |
| 2006 | 10.891 | 82 |
| 2005 | 11.394 | 75 |
| 2004 | 11.964 | 71 |
| 2003 | 12.822 | 75 |
| 2002 | 11.388 | 91 |
| 2001 | 11.624 | 90 |
| 2000 | 12.172 | 86 |
| 1999 | 12.072 | 96 |
| 1998 | 12.195 | 97 |
| 1997 | 11.983 | 93 |
| 1996 | 12.259 | 94 |
| 1995 | 12.696 | 88 |
| 1994 | 13.147 | 77 |
| 1993 | 12.676 | 77 |
| 1992 | 12.7 | 74 |
| 1991 | 12.65 | 66 |
| 1990 | 12.667 | 64 |
| 1989 | 12.667 | 62 |
| 1988 | 11.167 | 64 |
| 1987 | 12.667 | 48 |
| 1986 | 14.167 | 41 |