| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 68.03 | 144 |
| 2015 | 68.22 | 143 |
| 2014 | 68.33 | 140 |
| 2013 | 68.15 | 142 |
| 2012 | 67.72 | 144 |
| 2011 | 67.5 | 146 |
| 2010 | 68 | 139 |
| 2009 | 68.25 | 140 |
| 2008 | 68.21 | 147 |
| 2007 | 68.45 | 142 |
| 2006 | 68.65 | 135 |
| 2005 | 68.89 | 135 |
| 2004 | 68.64 | 139 |
| 2003 | 68.93 | 138 |
| 2002 | 69.5 | 135 |
| 2001 | 69.58 | 139 |
| 2000 | 69.96 | 138 |
| 1999 | 70.59 | 135 |
| 1998 | 70.74 | 134 |
| 1997 | 70.91 | 136 |
| 1996 | 71.21 | 132 |
| 1995 | 71.34 | 135 |
| 1994 | 71.33 | 137 |
| 1993 | 71.22 | 139 |
| 1992 | 71.2 | 142 |
| 1991 | 71.22 | 145 |
| 1990 | 70.62 | 154 |