| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 69.06 | 130 |
| 2015 | 68.79 | 130 |
| 2014 | 68.42 | 138 |
| 2013 | 68.73 | 135 |
| 2012 | 69.8 | 123 |
| 2011 | 68.58 | 133 |
| 2010 | 67.59 | 146 |
| 2009 | 67.53 | 152 |
| 2008 | 64.37 | 164 |
| 2007 | 65.75 | 160 |
| 2006 | 65.42 | 163 |
| 2005 | 65.18 | 164 |
| 2004 | 64.99 | 163 |
| 2003 | 64.9 | 164 |
| 2002 | 65.38 | 164 |
| 2001 | 65.69 | 163 |
| 2000 | 65.83 | 165 |
| 1999 | 65.71 | 166 |
| 1998 | 65.71 | 169 |
| 1997 | 65.7 | 169 |
| 1996 | 65.74 | 173 |
| 1995 | 65.65 | 175 |
| 1994 | 65.81 | 176 |
| 1993 | 65.62 | 175 |
| 1992 | 64.98 | 175 |
| 1991 | 63.79 | 179 |
| 1990 | 62.65 | 182 |