| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 67.46 | 56 |
| 2015 | 67.14 | 60 |
| 2014 | 66.83 | 64 |
| 2013 | 66.8 | 63 |
| 2012 | 67.41 | 58 |
| 2011 | 66.2 | 66 |
| 2010 | 65.12 | 76 |
| 2009 | 63.9 | 87 |
| 2008 | 63.72 | 92 |
| 2007 | 63.6 | 91 |
| 2006 | 63.56 | 92 |
| 2005 | 63.63 | 88 |
| 2004 | 63.82 | 80 |
| 2003 | 65.13 | 71 |
| 2002 | 63.86 | 77 |
| 2001 | 65.99 | 67 |
| 2000 | 63.63 | 80 |
| 1999 | 65.82 | 67 |
| 1998 | 66 | 63 |
| 1997 | 66.18 | 62 |
| 1996 | 66.52 | 57 |
| 1995 | 66.82 | 54 |
| 1994 | 66.93 | 51 |
| 1993 | 66.84 | 54 |
| 1992 | 66.13 | 57 |
| 1991 | 64.4 | 81 |
| 1990 | 63.71 | 83 |