| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 65.92 | 104 |
| 2015 | 66.25 | 102 |
| 2014 | 66.61 | 100 |
| 2013 | 66.61 | 100 |
| 2012 | 66.52 | 103 |
| 2011 | 64.58 | 117 |
| 2010 | 63.56 | 125 |
| 2009 | 62.52 | 133 |
| 2008 | 64.4 | 124 |
| 2007 | 63.94 | 131 |
| 2006 | 63.48 | 135 |
| 2005 | 62.17 | 142 |
| 2004 | 64 | 122 |
| 2003 | 64.35 | 124 |
| 2002 | 64.66 | 123 |
| 2001 | 65.17 | 121 |
| 2000 | 61.67 | 148 |
| 1999 | 63.32 | 137 |
| 1998 | 64.74 | 125 |
| 1997 | 64.71 | 128 |
| 1996 | 64.73 | 127 |
| 1995 | 65.07 | 123 |
| 1994 | 63.98 | 140 |
| 1993 | 64.05 | 135 |
| 1992 | 64.15 | 140 |
| 1991 | 64.34 | 142 |