| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 70.32 | 122 |
| 2015 | 70.16 | 125 |
| 2014 | 69.89 | 125 |
| 2013 | 70.41 | 122 |
| 2012 | 70.75 | 120 |
| 2011 | 70.61 | 119 |
| 2010 | 71.31 | 115 |
| 2009 | 71.42 | 115 |
| 2008 | 71.97 | 114 |
| 2007 | 72.5 | 112 |
| 2006 | 72.77 | 108 |
| 2005 | 73.09 | 105 |
| 2004 | 73.17 | 105 |
| 2003 | 72.36 | 114 |
| 2002 | 71.4 | 122 |
| 2001 | 71.99 | 120 |
| 2000 | 71.92 | 122 |
| 1999 | 68.89 | 144 |
| 1998 | 68.92 | 147 |
| 1997 | 69.36 | 145 |
| 1996 | 70.33 | 141 |
| 1995 | 70.01 | 147 |
| 1994 | 69.86 | 149 |
| 1993 | 70.87 | 144 |
| 1992 | 69.77 | 153 |
| 1991 | 71.05 | 147 |
| 1990 | 70.84 | 151 |