| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 60.404 | 64 |
| 2015 | 61.977 | 79 |
| 2014 | 61.993 | 78 |
| 2013 | 63.03 | 78 |
| 2012 | 65.102 | 69 |
| 2011 | 64.035 | 71 |
| 2010 | 63.871 | 74 |
| 2009 | 66.051 | 66 |
| 2008 | 64.015 | 66 |
| 2007 | 65.756 | 62 |
| 2006 | 64.743 | 62 |
| 2005 | 64.947 | 60 |
| 2004 | 62.445 | 70 |
| 2003 | 60.621 | 79 |
| 2002 | 64.162 | 59 |
| 2001 | 64.19 | 57 |
| 2000 | 62.629 | 62 |
| 1999 | 54.499 | 92 |
| 1998 | 52.925 | 94 |
| 1997 | 52.685 | 92 |
| 1996 | 57.183 | 70 |
| 1995 | 56.807 | 69 |
| 1994 | 56.298 | 53 |
| 1993 | 53.141 | 61 |
| 1992 | 43.852 | 91 |
| 1991 | 50.771 | 59 |
| 1990 | 46.996 | 69 |