| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 65.18 | 114 |
| 2015 | 64.83 | 122 |
| 2014 | 64.32 | 122 |
| 2013 | 64.21 | 122 |
| 2012 | 64.08 | 122 |
| 2011 | 63.98 | 125 |
| 2010 | 64.6 | 115 |
| 2009 | 64.12 | 121 |
| 2008 | 64.54 | 122 |
| 2007 | 64.96 | 121 |
| 2006 | 64.27 | 123 |
| 2005 | 66.35 | 105 |
| 2004 | 67.56 | 98 |
| 2003 | 68.89 | 88 |
| 2002 | 71.48 | 71 |
| 2001 | 70.37 | 81 |
| 2000 | 70.91 | 78 |
| 1999 | 72.95 | 68 |
| 1998 | 73.79 | 61 |
| 1997 | 73.79 | 62 |
| 1996 | 74.62 | 60 |
| 1995 | 76.35 | 53 |
| 1994 | 77.46 | 46 |
| 1993 | 78.56 | 39 |
| 1992 | 79.54 | 35 |
| 1991 | 78.54 | 44 |