| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 60.24 | 74 |
| 2015 | 59.99 | 78 |
| 2014 | 59.47 | 79 |
| 2013 | 59.18 | 84 |
| 2012 | 64.35 | 47 |
| 2011 | 59.05 | 81 |
| 2010 | 60.35 | 68 |
| 2009 | 61.84 | 59 |
| 2008 | 63.1 | 59 |
| 2007 | 64.36 | 48 |
| 2006 | 65.87 | 40 |
| 2005 | 63.65 | 49 |
| 2004 | 61.33 | 59 |
| 2003 | 60.78 | 59 |
| 2002 | 60.57 | 61 |
| 2001 | 61.33 | 60 |
| 2000 | 60.9 | 61 |
| 1999 | 60.28 | 63 |
| 1998 | 59.62 | 64 |
| 1997 | 59.32 | 71 |
| 1996 | 58.35 | 79 |
| 1995 | 58.72 | 78 |
| 1994 | 58.21 | 81 |
| 1993 | 58.14 | 80 |
| 1992 | 58.14 | 79 |
| 1991 | 57.49 | 86 |