| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 59.29 | 87 |
| 2015 | 61.39 | 60 |
| 2014 | 62.68 | 53 |
| 2013 | 62.3 | 57 |
| 2012 | 62.5 | 58 |
| 2011 | 62.38 | 55 |
| 2010 | 62.98 | 54 |
| 2009 | 63.16 | 54 |
| 2008 | 63.21 | 56 |
| 2007 | 62.15 | 63 |
| 2006 | 62.08 | 62 |
| 2005 | 62.45 | 56 |
| 2004 | 60.72 | 63 |
| 2003 | 59.53 | 69 |
| 2002 | 59.91 | 67 |
| 2001 | 59.55 | 73 |
| 2000 | 58.92 | 72 |
| 1999 | 58.79 | 73 |
| 1998 | 58.11 | 84 |
| 1997 | 60.29 | 64 |
| 1996 | 59.93 | 68 |
| 1995 | 62.61 | 49 |
| 1994 | 62.03 | 52 |
| 1993 | 61.65 | 55 |
| 1992 | 61.43 | 60 |
| 1991 | 60.28 | 66 |