| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 64.73 | 79 |
| 2015 | 64.66 | 82 |
| 2014 | 64.58 | 82 |
| 2013 | 64.72 | 78 |
| 2012 | 64.96 | 77 |
| 2011 | 65.4 | 75 |
| 2010 | 64.92 | 77 |
| 2009 | 64.41 | 81 |
| 2008 | 64.07 | 87 |
| 2007 | 63.5 | 92 |
| 2006 | 64.05 | 87 |
| 2005 | 64.85 | 75 |
| 2004 | 66.58 | 61 |
| 2003 | 67.26 | 58 |
| 2002 | 66.74 | 60 |
| 2001 | 67.92 | 51 |
| 2000 | 65.25 | 69 |
| 1999 | 66.66 | 59 |
| 1998 | 66.89 | 54 |
| 1997 | 66.36 | 59 |
| 1996 | 66.46 | 59 |
| 1995 | 66.57 | 56 |
| 1994 | 65.39 | 63 |
| 1993 | 65.44 | 63 |
| 1992 | 65.74 | 62 |
| 1991 | 65.26 | 71 |
| 1990 | 65.29 | 71 |