| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 63.22 | 132 |
| 2015 | 63.07 | 131 |
| 2014 | 62.71 | 131 |
| 2013 | 62.81 | 133 |
| 2012 | 62.48 | 133 |
| 2011 | 62.72 | 134 |
| 2010 | 62.2 | 135 |
| 2009 | 61.76 | 136 |
| 2008 | 64.17 | 127 |
| 2007 | 64.14 | 129 |
| 2006 | 63.67 | 129 |
| 2005 | 62.97 | 131 |
| 2004 | 61.97 | 141 |
| 2003 | 63.33 | 130 |
| 2002 | 63.83 | 126 |
| 2001 | 64.08 | 128 |
| 2000 | 63.88 | 131 |
| 1999 | 61.24 | 149 |
| 1998 | 60.15 | 154 |
| 1997 | 59.5 | 159 |
| 1996 | 60.47 | 156 |
| 1995 | 60.91 | 155 |
| 1994 | 60.02 | 157 |
| 1993 | 60.49 | 157 |
| 1992 | 64.7 | 134 |
| 1991 | 68.43 | 108 |