| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 69.4 | 128 |
| 2015 | 69.11 | 129 |
| 2014 | 68.84 | 129 |
| 2013 | 68.61 | 137 |
| 2012 | 68.31 | 137 |
| 2011 | 67.95 | 143 |
| 2010 | 66.22 | 155 |
| 2009 | 66.46 | 156 |
| 2008 | 68.97 | 138 |
| 2007 | 68.06 | 145 |
| 2006 | 67 | 153 |
| 2005 | 66.76 | 151 |
| 2004 | 66.48 | 155 |
| 2003 | 65.97 | 159 |
| 2002 | 65.38 | 163 |
| 2001 | 66.91 | 152 |
| 2000 | 66.29 | 160 |
| 1999 | 65.37 | 169 |
| 1998 | 66.49 | 162 |
| 1997 | 68.13 | 151 |
| 1996 | 69.5 | 147 |
| 1995 | 69.67 | 150 |
| 1994 | 69.84 | 150 |
| 1993 | 69.96 | 147 |
| 1992 | 70.37 | 147 |
| 1991 | 71.33 | 144 |
| 1990 | 70.63 | 153 |