| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 62.26 | 45 |
| 2015 | 62.44 | 44 |
| 2014 | 62.63 | 44 |
| 2013 | 62.47 | 44 |
| 2012 | 62.15 | 44 |
| 2011 | 61.95 | 44 |
| 2010 | 61.5 | 47 |
| 2009 | 61.65 | 47 |
| 2008 | 61.6 | 48 |
| 2007 | 61.25 | 49 |
| 2006 | 60.8 | 48 |
| 2005 | 60.25 | 51 |
| 2004 | 59.19 | 53 |
| 2003 | 58.75 | 53 |
| 2002 | 58.45 | 57 |
| 2001 | 57.73 | 58 |
| 2000 | 56.76 | 60 |
| 1999 | 56.6 | 62 |
| 1998 | 56.28 | 63 |
| 1997 | 56.37 | 63 |
| 1996 | 56.5 | 61 |
| 1995 | 55.17 | 64 |
| 1994 | 54.46 | 69 |
| 1993 | 53.34 | 74 |
| 1992 | 53.42 | 73 |
| 1991 | 53.66 | 71 |
| 1990 | 53.56 | 71 |