| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 70.37 | 19 |
| 2015 | 70.9 | 19 |
| 2014 | 71.25 | 18 |
| 2013 | 71.36 | 16 |
| 2012 | 70.06 | 18 |
| 2011 | 71.17 | 17 |
| 2010 | 71.55 | 15 |
| 2009 | 71.87 | 14 |
| 2008 | 71.76 | 14 |
| 2007 | 71.78 | 14 |
| 2006 | 72.01 | 14 |
| 2005 | 71.87 | 14 |
| 2004 | 71.11 | 15 |
| 2003 | 69.46 | 17 |
| 2002 | 67.72 | 20 |
| 2001 | 65.89 | 21 |
| 2000 | 67.12 | 20 |
| 1999 | 62.45 | 29 |
| 1998 | 63.55 | 27 |
| 1997 | 64.37 | 25 |
| 1996 | 65.23 | 22 |
| 1995 | 65.48 | 22 |
| 1994 | 65.56 | 22 |
| 1993 | 65.57 | 22 |
| 1992 | 65.82 | 22 |
| 1991 | 65.54 | 23 |