| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 64.27 | 85 |
| 2015 | 64.19 | 85 |
| 2014 | 64.11 | 85 |
| 2013 | 63.8 | 87 |
| 2012 | 64.15 | 85 |
| 2011 | 64.58 | 80 |
| 2010 | 65.13 | 75 |
| 2009 | 67.47 | 56 |
| 2008 | 67.84 | 52 |
| 2007 | 68.97 | 48 |
| 2006 | 71.05 | 40 |
| 2005 | 69.85 | 43 |
| 2004 | 70.97 | 39 |
| 2003 | 68.93 | 49 |
| 2002 | 68.5 | 51 |
| 2001 | 68.12 | 49 |
| 2000 | 67.77 | 52 |
| 1999 | 67.31 | 55 |
| 1998 | 66.72 | 55 |
| 1997 | 66.38 | 57 |
| 1996 | 66.06 | 61 |
| 1995 | 65.66 | 62 |
| 1994 | 65.23 | 65 |
| 1993 | 64.85 | 70 |
| 1992 | 64.42 | 79 |
| 1991 | 64 | 82 |
| 1990 | 63.68 | 84 |