| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 60.99 | 35 |
| 2015 | 61.22 | 34 |
| 2014 | 61.36 | 34 |
| 2013 | 61.29 | 35 |
| 2012 | 61.31 | 36 |
| 2011 | 61.37 | 34 |
| 2010 | 61.42 | 33 |
| 2009 | 61.95 | 32 |
| 2008 | 62.47 | 32 |
| 2007 | 63.38 | 27 |
| 2006 | 63.87 | 28 |
| 2005 | 64.49 | 25 |
| 2004 | 65.19 | 22 |
| 2003 | 66.04 | 21 |
| 2002 | 66.86 | 21 |
| 2001 | 67.64 | 20 |
| 2000 | 68.42 | 17 |
| 1999 | 68.68 | 16 |
| 1998 | 68.99 | 14 |
| 1997 | 69.36 | 14 |
| 1996 | 69.62 | 14 |
| 1995 | 69.86 | 14 |
| 1994 | 70.17 | 15 |
| 1993 | 70.31 | 14 |
| 1992 | 70.38 | 14 |
| 1991 | 70.16 | 17 |