| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 62.44 | 31 |
| 2015 | 62.54 | 30 |
| 2014 | 62.54 | 30 |
| 2013 | 62.79 | 30 |
| 2012 | 64.83 | 26 |
| 2011 | 65.43 | 25 |
| 2010 | 63.72 | 28 |
| 2009 | 63.72 | 28 |
| 2008 | 65.08 | 23 |
| 2007 | 65.17 | 23 |
| 2006 | 64.2 | 26 |
| 2005 | 65.23 | 22 |
| 2004 | 64.6 | 26 |
| 2003 | 64.47 | 26 |
| 2002 | 64.32 | 26 |
| 2001 | 63.8 | 28 |
| 2000 | 63.82 | 27 |
| 1999 | 62.62 | 28 |
| 1998 | 63.75 | 26 |
| 1997 | 66.9 | 20 |
| 1996 | 66.09 | 21 |
| 1995 | 64.79 | 24 |
| 1994 | 63.53 | 27 |
| 1993 | 66.63 | 20 |
| 1992 | 69.6 | 17 |
| 1991 | 71.37 | 14 |