| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 62.05 | 103 |
| 2015 | 62.11 | 103 |
| 2014 | 62.17 | 101 |
| 2013 | 62.39 | 99 |
| 2012 | 62.59 | 100 |
| 2011 | 62.82 | 96 |
| 2010 | 62.54 | 97 |
| 2009 | 62.23 | 100 |
| 2008 | 62.14 | 100 |
| 2007 | 61.89 | 102 |
| 2006 | 64.16 | 84 |
| 2005 | 62.96 | 91 |
| 2004 | 62.69 | 91 |
| 2003 | 62.68 | 90 |
| 2002 | 62.67 | 87 |
| 2001 | 64.61 | 76 |
| 2000 | 64.82 | 72 |
| 1999 | 65.02 | 73 |
| 1998 | 65.21 | 70 |
| 1997 | 65.37 | 68 |
| 1996 | 65.52 | 66 |
| 1995 | 65.64 | 63 |
| 1994 | 65.67 | 59 |
| 1993 | 65.68 | 61 |
| 1992 | 65.66 | 63 |
| 1991 | 65.59 | 67 |
| 1990 | 65.44 | 70 |