| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 62.74 | 97 |
| 2015 | 62.52 | 98 |
| 2014 | 62.2 | 100 |
| 2013 | 62.23 | 102 |
| 2012 | 63.97 | 88 |
| 2011 | 62 | 102 |
| 2010 | 61.26 | 104 |
| 2009 | 61.44 | 104 |
| 2008 | 59.03 | 124 |
| 2007 | 60.6 | 112 |
| 2006 | 60.39 | 113 |
| 2005 | 60.25 | 113 |
| 2004 | 60.17 | 112 |
| 2003 | 60.18 | 112 |
| 2002 | 60.53 | 105 |
| 2001 | 60.76 | 104 |
| 2000 | 60.83 | 103 |
| 1999 | 60.65 | 105 |
| 1998 | 60.55 | 110 |
| 1997 | 60.44 | 108 |
| 1996 | 60.35 | 107 |
| 1995 | 60.18 | 111 |
| 1994 | 60.19 | 109 |
| 1993 | 59.94 | 114 |
| 1992 | 59.36 | 118 |
| 1991 | 58.37 | 125 |
| 1990 | 57.46 | 129 |