| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 66.763 | 43 |
| 2015 | 66.185 | 59 |
| 2014 | 66.426 | 61 |
| 2013 | 66.906 | 62 |
| 2012 | 66.805 | 63 |
| 2011 | 65.573 | 65 |
| 2010 | 65.859 | 68 |
| 2009 | 64.867 | 71 |
| 2008 | 63.461 | 74 |
| 2007 | 65.541 | 65 |
| 2006 | 68.073 | 50 |
| 2005 | 68.297 | 47 |
| 2004 | 68.591 | 42 |
| 2003 | 70.124 | 35 |
| 2002 | 70.364 | 31 |
| 2001 | 71.966 | 24 |
| 2000 | 72.109 | 23 |
| 1999 | 71.697 | 20 |
| 1998 | 70.49 | 24 |
| 1997 | 70.836 | 24 |
| 1996 | 70.038 | 25 |
| 1995 | 66.754 | 32 |
| 1994 | 65.639 | 29 |
| 1993 | 66.581 | 25 |
| 1992 | 64.638 | 31 |
| 1991 | 67.466 | 18 |
| 1990 | 66.05 | 22 |
| 1989 | 68.731 | 10 |
| 1988 | 69.396 | 5 |
| 1987 | 67.028 | 12 |
| 1986 | 67.505 | 10 |