| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 60.75 | 149 |
| 2015 | 60.55 | 146 |
| 2014 | 59.91 | 147 |
| 2013 | 61.58 | 144 |
| 2012 | 61.09 | 143 |
| 2011 | 60.7 | 143 |
| 2010 | 59.78 | 149 |
| 2009 | 58.91 | 156 |
| 2008 | 60.81 | 150 |
| 2007 | 60.76 | 152 |
| 2006 | 60.47 | 152 |
| 2005 | 60.65 | 148 |
| 2004 | 58.36 | 160 |
| 2003 | 57.46 | 163 |
| 2002 | 57.2 | 163 |
| 2001 | 56.55 | 165 |
| 2000 | 56.7 | 166 |
| 1999 | 57.33 | 165 |
| 1998 | 58.24 | 163 |
| 1997 | 60.78 | 152 |
| 1996 | 62.5 | 142 |
| 1995 | 64.69 | 129 |
| 1994 | 64.32 | 137 |
| 1993 | 63.64 | 140 |
| 1992 | 64.19 | 139 |
| 1991 | 64.53 | 140 |