| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 61.93 | 107 |
| 2015 | 61.92 | 106 |
| 2014 | 61.81 | 106 |
| 2013 | 61.91 | 105 |
| 2012 | 61.71 | 106 |
| 2011 | 62.22 | 99 |
| 2010 | 61.35 | 102 |
| 2009 | 61.56 | 102 |
| 2008 | 61.76 | 106 |
| 2007 | 61.05 | 108 |
| 2006 | 60.91 | 108 |
| 2005 | 58.99 | 123 |
| 2004 | 59.35 | 120 |
| 2003 | 59.26 | 120 |
| 2002 | 57.71 | 129 |
| 2001 | 58.92 | 123 |
| 2000 | 58.93 | 125 |
| 1999 | 59.44 | 121 |
| 1998 | 60.7 | 106 |
| 1997 | 61.35 | 97 |
| 1996 | 61.46 | 97 |
| 1995 | 61.54 | 97 |
| 1994 | 63.18 | 84 |
| 1993 | 64.77 | 73 |
| 1992 | 66.31 | 55 |
| 1991 | 67.79 | 47 |
| 1990 | 69.2 | 45 |