| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 59.97 | 53 |
| 2015 | 60.45 | 51 |
| 2014 | 60.92 | 51 |
| 2013 | 61.39 | 52 |
| 2012 | 61.85 | 52 |
| 2011 | 62.3 | 53 |
| 2010 | 62.74 | 53 |
| 2009 | 63.18 | 53 |
| 2008 | 63.61 | 53 |
| 2007 | 64.03 | 52 |
| 2006 | 64.44 | 52 |
| 2005 | 64.84 | 51 |
| 2004 | 65.24 | 52 |
| 2003 | 65.63 | 51 |
| 2002 | 66.01 | 54 |
| 2001 | 66.38 | 53 |
| 2000 | 66.75 | 53 |
| 1999 | 67.12 | 52 |
| 1998 | 67.49 | 50 |
| 1997 | 67.85 | 49 |
| 1996 | 68.22 | 49 |
| 1995 | 68.58 | 51 |
| 1994 | 68.93 | 51 |
| 1993 | 69.29 | 49 |
| 1992 | 69.64 | 49 |
| 1991 | 69.99 | 52 |
| 1990 | 70.34 | 52 |
| 1989 | 70.69 | 52 |
| 1988 | 71.03 | 53 |
| 1987 | 71.37 | 52 |
| 1986 | 71.67 | 52 |