| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 63.79 | 166 |
| 2015 | 63.33 | 166 |
| 2014 | 62.87 | 168 |
| 2013 | 63.03 | 169 |
| 2012 | 63.24 | 168 |
| 2011 | 64.82 | 159 |
| 2010 | 66.3 | 154 |
| 2009 | 67.8 | 147 |
| 2008 | 69.21 | 134 |
| 2007 | 68.75 | 138 |
| 2006 | 68.24 | 141 |
| 2005 | 67.68 | 144 |
| 2004 | 67.2 | 148 |
| 2003 | 66.66 | 153 |
| 2002 | 66.04 | 157 |
| 2001 | 65.32 | 165 |
| 2000 | 64.5 | 173 |
| 1999 | 63.83 | 175 |
| 1998 | 63.13 | 177 |
| 1997 | 62.41 | 180 |
| 1996 | 62.95 | 178 |
| 1995 | 63.63 | 177 |
| 1994 | 64.34 | 177 |
| 1993 | 64.37 | 176 |
| 1992 | 64.47 | 177 |
| 1991 | 64.61 | 176 |
| 1990 | 64.89 | 177 |