| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 58.17 | 20 |
| 2015 | 57.71 | 20 |
| 2014 | 57.45 | 20 |
| 2013 | 58.61 | 20 |
| 2012 | 59.63 | 19 |
| 2011 | 60.56 | 18 |
| 2010 | 60.66 | 18 |
| 2009 | 61.26 | 19 |
| 2008 | 64.55 | 15 |
| 2007 | 64.17 | 15 |
| 2006 | 63.71 | 16 |
| 2005 | 63.28 | 16 |
| 2004 | 62.16 | 15 |
| 2003 | 61.72 | 17 |
| 2002 | 60.92 | 19 |
| 2001 | 61.14 | 19 |
| 2000 | 62.04 | 18 |
| 1999 | 61.18 | 20 |
| 1998 | 60.09 | 22 |
| 1997 | 59.27 | 20 |
| 1996 | 60.65 | 20 |
| 1995 | 60.95 | 21 |
| 1994 | 58.64 | 24 |
| 1993 | 55.96 | 27 |
| 1992 | 55.96 | 27 |
| 1991 | 57.49 | 27 |