| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 70.732 | 28 |
| 2015 | 70.369 | 42 |
| 2014 | 70.357 | 45 |
| 2013 | 69.98 | 47 |
| 2012 | 69.678 | 48 |
| 2011 | 69.856 | 46 |
| 2010 | 69.877 | 46 |
| 2009 | 69.785 | 49 |
| 2008 | 68.355 | 52 |
| 2007 | 67.575 | 55 |
| 2006 | 68.04 | 51 |
| 2005 | 68.213 | 48 |
| 2004 | 67.732 | 46 |
| 2003 | 67.664 | 47 |
| 2002 | 67.626 | 45 |
| 2001 | 66.641 | 47 |
| 2000 | 66.507 | 45 |
| 1999 | 66.075 | 44 |
| 1998 | 65.991 | 41 |
| 1997 | 65.697 | 43 |
| 1996 | 65.547 | 42 |
| 1995 | 65.434 | 39 |
| 1994 | 65.312 | 32 |
| 1993 | 65.602 | 28 |
| 1992 | 64.484 | 34 |
| 1991 | 63.506 | 31 |
| 1990 | 63.121 | 31 |
| 1989 | 63.364 | 21 |
| 1988 | 63.03 | 19 |
| 1987 | 62.695 | 22 |
| 1986 | 62.081 | 21 |