| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 68.49 | 136 |
| 2015 | 68.65 | 133 |
| 2014 | 68.81 | 132 |
| 2013 | 68.99 | 131 |
| 2012 | 69.18 | 130 |
| 2011 | 69.31 | 131 |
| 2010 | 68.92 | 134 |
| 2009 | 70.1 | 127 |
| 2008 | 68.44 | 141 |
| 2007 | 67.72 | 147 |
| 2006 | 67.19 | 150 |
| 2005 | 67.34 | 147 |
| 2004 | 67.39 | 145 |
| 2003 | 68.11 | 142 |
| 2002 | 68.87 | 141 |
| 2001 | 69.6 | 138 |
| 2000 | 70.29 | 136 |
| 1999 | 70.89 | 131 |
| 1998 | 71.43 | 129 |
| 1997 | 71.88 | 127 |
| 1996 | 72.21 | 123 |
| 1995 | 72.42 | 122 |
| 1994 | 72.47 | 124 |
| 1993 | 72.42 | 131 |
| 1992 | 72.3 | 131 |
| 1991 | 72.22 | 136 |
| 1990 | 72.23 | 139 |