| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 74.973 | 14 |
| 2015 | 75.844 | 17 |
| 2014 | 75.922 | 21 |
| 2013 | 75.306 | 22 |
| 2012 | 74.457 | 24 |
| 2011 | 75.008 | 26 |
| 2010 | 75.773 | 24 |
| 2009 | 75.896 | 22 |
| 2008 | 72.663 | 29 |
| 2007 | 72.484 | 30 |
| 2006 | 71.758 | 33 |
| 2005 | 72.479 | 29 |
| 2004 | 72.299 | 28 |
| 2003 | 72.361 | 24 |
| 2002 | 71.557 | 25 |
| 2001 | 70.702 | 28 |
| 2000 | 70.047 | 29 |
| 1999 | 71.19 | 24 |
| 1998 | 71.282 | 23 |
| 1997 | 70.778 | 25 |
| 1996 | 70.861 | 21 |
| 1995 | 71.189 | 18 |
| 1994 | 72.076 | 14 |
| 1993 | 72.172 | 13 |
| 1992 | 70.979 | 13 |
| 1991 | 70.764 | 11 |
| 1990 | 70.142 | 11 |
| 1989 | 69.606 | 8 |
| 1988 | 69.951 | 3 |
| 1987 | 69.25 | 6 |
| 1986 | 68.752 | 7 |