| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 65.57 | 111 |
| 2015 | 66 | 105 |
| 2014 | 66.31 | 102 |
| 2013 | 66.53 | 101 |
| 2012 | 66.07 | 105 |
| 2011 | 65.69 | 105 |
| 2010 | 65.04 | 111 |
| 2009 | 65.09 | 112 |
| 2008 | 66.77 | 107 |
| 2007 | 67.26 | 103 |
| 2006 | 66.85 | 104 |
| 2005 | 66.64 | 102 |
| 2004 | 66.27 | 105 |
| 2003 | 65.39 | 112 |
| 2002 | 66.21 | 105 |
| 2001 | 68.31 | 98 |
| 2000 | 69.24 | 88 |
| 1999 | 68.88 | 92 |
| 1998 | 70.99 | 81 |
| 1997 | 73.57 | 64 |
| 1996 | 73.61 | 65 |
| 1995 | 74.16 | 65 |
| 1994 | 75.63 | 58 |
| 1993 | 76.45 | 54 |
| 1992 | 76.87 | 55 |
| 1991 | 77.51 | 52 |