| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 70.671 | 29 |
| 2015 | 71.088 | 37 |
| 2014 | 69.599 | 50 |
| 2013 | 69.508 | 50 |
| 2012 | 70.334 | 43 |
| 2011 | 69.589 | 48 |
| 2010 | 71.891 | 36 |
| 2009 | 70.975 | 41 |
| 2008 | 70.417 | 39 |
| 2007 | 70.99 | 35 |
| 2006 | 71.762 | 32 |
| 2005 | 71.58 | 33 |
| 2004 | 72.102 | 30 |
| 2003 | 72.35 | 25 |
| 2002 | 70.708 | 29 |
| 2001 | 70.22 | 31 |
| 2000 | 68.928 | 32 |
| 1999 | 58.867 | 71 |
| 1998 | 58.77 | 72 |
| 1997 | 58.747 | 68 |
| 1996 | 58.444 | 64 |
| 1995 | 59.158 | 60 |
| 1994 | 57.993 | 46 |
| 1993 | 57.883 | 45 |
| 1992 | 57.285 | 47 |
| 1991 | 57.475 | 42 |
| 1990 | 56.376 | 40 |
| 1989 | 57.522 | 28 |
| 1988 | 54.746 | 36 |
| 1987 | 55.449 | 32 |
| 1986 | 55.226 | 33 |