| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 61.6 | 109 |
| 2015 | 61.58 | 109 |
| 2014 | 61.57 | 109 |
| 2013 | 61.58 | 107 |
| 2012 | 61.42 | 108 |
| 2011 | 61.96 | 103 |
| 2010 | 60.53 | 113 |
| 2009 | 61.41 | 105 |
| 2008 | 61.78 | 105 |
| 2007 | 62.42 | 97 |
| 2006 | 61.65 | 102 |
| 2005 | 61.79 | 100 |
| 2004 | 59.81 | 116 |
| 2003 | 60.9 | 102 |
| 2002 | 61.19 | 101 |
| 2001 | 61.49 | 99 |
| 2000 | 58.98 | 123 |
| 1999 | 60.47 | 110 |
| 1998 | 61.11 | 101 |
| 1997 | 59.71 | 118 |
| 1996 | 57.64 | 135 |
| 1995 | 59.44 | 121 |
| 1994 | 58.54 | 129 |
| 1993 | 58.28 | 127 |
| 1992 | 57.6 | 129 |
| 1991 | 58.19 | 127 |
| 1990 | 58.55 | 124 |