| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 64.08 | 125 |
| 2015 | 63.24 | 129 |
| 2014 | 62.65 | 133 |
| 2013 | 63.53 | 128 |
| 2012 | 64 | 123 |
| 2011 | 63.07 | 130 |
| 2010 | 62.83 | 131 |
| 2009 | 63.71 | 125 |
| 2008 | 60.56 | 154 |
| 2007 | 61.01 | 148 |
| 2006 | 63.28 | 136 |
| 2005 | 62.98 | 130 |
| 2004 | 62.58 | 135 |
| 2003 | 60.27 | 148 |
| 2002 | 61.34 | 143 |
| 2001 | 62.6 | 138 |
| 2000 | 62.74 | 140 |
| 1999 | 62.55 | 142 |
| 1998 | 61.75 | 148 |
| 1997 | 60.54 | 153 |
| 1996 | 61.25 | 153 |
| 1995 | 61.97 | 149 |
| 1994 | 59.78 | 160 |
| 1993 | 59.88 | 160 |
| 1992 | 59.88 | 160 |
| 1991 | 59.32 | 167 |