| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 71.42 | 24 |
| 2015 | 71.32 | 24 |
| 2014 | 71.17 | 24 |
| 2013 | 71 | 24 |
| 2012 | 70.82 | 22 |
| 2011 | 70.64 | 23 |
| 2010 | 70.45 | 25 |
| 2009 | 70.21 | 25 |
| 2008 | 69.98 | 25 |
| 2007 | 69.74 | 26 |
| 2006 | 69.51 | 26 |
| 2005 | 69.27 | 26 |
| 2004 | 68.94 | 26 |
| 2003 | 68.62 | 27 |
| 2002 | 68.32 | 28 |
| 2001 | 68.09 | 29 |
| 2000 | 67.97 | 29 |
| 1999 | 69.53 | 27 |
| 1998 | 69.59 | 27 |
| 1997 | 69.81 | 26 |
| 1996 | 70.17 | 24 |
| 1995 | 70.63 | 23 |
| 1994 | 71.12 | 21 |
| 1993 | 71.66 | 20 |
| 1992 | 72.21 | 19 |
| 1991 | 72.74 | 20 |
| 1990 | 73.21 | 20 |