| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 65.82 | 153 |
| 2015 | 65.97 | 154 |
| 2014 | 66.14 | 153 |
| 2013 | 66.06 | 154 |
| 2012 | 65.54 | 156 |
| 2011 | 66.35 | 156 |
| 2010 | 66.02 | 156 |
| 2009 | 65.86 | 158 |
| 2008 | 66.46 | 156 |
| 2007 | 67.54 | 149 |
| 2006 | 68.26 | 140 |
| 2005 | 68.8 | 136 |
| 2004 | 69.6 | 130 |
| 2003 | 70.21 | 130 |
| 2002 | 70.24 | 132 |
| 2001 | 72.33 | 117 |
| 2000 | 70.48 | 133 |
| 1999 | 71.11 | 129 |
| 1998 | 71.62 | 128 |
| 1997 | 71.98 | 124 |
| 1996 | 72.62 | 120 |
| 1995 | 73 | 120 |
| 1994 | 73.33 | 121 |
| 1993 | 73.97 | 113 |
| 1992 | 74.62 | 110 |
| 1991 | 75.62 | 104 |
| 1990 | 76.44 | 104 |