| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 72.676 | 24 |
| 2015 | 72.399 | 34 |
| 2014 | 72.914 | 30 |
| 2013 | 72.532 | 32 |
| 2012 | 71.625 | 38 |
| 2011 | 70.13 | 45 |
| 2010 | 69.445 | 49 |
| 2009 | 71.609 | 38 |
| 2008 | 69.126 | 48 |
| 2007 | 68.096 | 51 |
| 2006 | 68.484 | 48 |
| 2005 | 69.17 | 40 |
| 2004 | 68.516 | 43 |
| 2003 | 68.932 | 40 |
| 2002 | 68.611 | 40 |
| 2001 | 68.157 | 39 |
| 2000 | 67.729 | 39 |
| 1999 | 67.842 | 36 |
| 1998 | 67.186 | 34 |
| 1997 | 67.169 | 36 |
| 1996 | 67.192 | 34 |
| 1995 | 65.902 | 37 |
| 1994 | 67.739 | 25 |
| 1993 | 68.87 | 20 |
| 1992 | 68.332 | 22 |
| 1991 | 66.735 | 22 |
| 1990 | 64.876 | 26 |
| 1989 | 63.319 | 22 |
| 1988 | 63.002 | 20 |
| 1987 | 62.658 | 23 |
| 1986 | 62.327 | 20 |