| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 69.54 | 127 |
| 2015 | 69.53 | 127 |
| 2014 | 69.35 | 128 |
| 2013 | 68.9 | 132 |
| 2012 | 68.7 | 133 |
| 2011 | 68.5 | 135 |
| 2010 | 67.69 | 142 |
| 2009 | 68.84 | 136 |
| 2008 | 69.67 | 132 |
| 2007 | 69.07 | 135 |
| 2006 | 67.9 | 145 |
| 2005 | 65.63 | 161 |
| 2004 | 67.23 | 147 |
| 2003 | 67.65 | 145 |
| 2002 | 65.73 | 160 |
| 2001 | 67.04 | 150 |
| 2000 | 67.35 | 150 |
| 1999 | 68.08 | 150 |
| 1998 | 69.95 | 139 |
| 1997 | 69.99 | 140 |
| 1996 | 70.52 | 139 |
| 1995 | 71 | 138 |
| 1994 | 72.23 | 127 |
| 1993 | 73.4 | 119 |
| 1992 | 74.52 | 112 |
| 1991 | 75.59 | 105 |
| 1990 | 76.61 | 103 |