| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 67.56 | 22 |
| 2015 | 67.55 | 22 |
| 2014 | 67.46 | 22 |
| 2013 | 67.63 | 21 |
| 2012 | 67.79 | 20 |
| 2011 | 68.05 | 20 |
| 2010 | 68.54 | 18 |
| 2009 | 68.76 | 18 |
| 2008 | 68.92 | 19 |
| 2007 | 69.06 | 19 |
| 2006 | 69.21 | 18 |
| 2005 | 69.14 | 18 |
| 2004 | 69.1 | 18 |
| 2003 | 69.08 | 18 |
| 2002 | 69.01 | 17 |
| 2001 | 68.71 | 18 |
| 2000 | 68.39 | 18 |
| 1999 | 68.25 | 17 |
| 1998 | 68.12 | 16 |
| 1997 | 67.71 | 18 |
| 1996 | 67.29 | 18 |
| 1995 | 67.46 | 18 |
| 1994 | 67.06 | 18 |
| 1993 | 67.14 | 18 |
| 1992 | 67.81 | 18 |
| 1991 | 68.31 | 18 |