| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 57.29 | 1 |
| 2015 | 61.36 | 1 |
| 2014 | 67.75 | 4 |
| 2013 | 70.03 | 5 |
| 2012 | 72.65 | 5 |
| 2011 | 73.67 | 4 |
| 2010 | 68.66 | 5 |
| 2009 | 65.41 | 5 |
| 2008 | 74.11 | 6 |
| 2007 | 71.3 | 6 |
| 2006 | 73.18 | 6 |
| 2005 | 71.56 | 5 |
| 2004 | 67.85 | 4 |
| 2003 | 64.15 | 4 |
| 2002 | 60.66 | 5 |
| 2001 | 60.04 | 5 |
| 2000 | 63.67 | 5 |
| 1999 | 55.18 | 4 |
| 1998 | 51.53 | 3 |
| 1997 | 56.05 | 4 |
| 1996 | 56.3 | 4 |
| 1995 | 54.27 | 4 |
| 1994 | 53.83 | 3 |
| 1993 | 57.24 | 3 |
| 1992 | 60.4 | 2 |
| 1991 | 59.57 | 2 |
| 1990 | 61.56 | 2 |
| 1989 | 59.8 | 3 |
| 1988 | 52.26 | 5 |
| 1987 | 59.51 | 3 |
| 1986 | 58.81 | 5 |