| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 76.59 | 14 |
| 2015 | 76.64 | 14 |
| 2014 | 76.69 | 14 |
| 2013 | 76.66 | 14 |
| 2012 | 76.64 | 15 |
| 2011 | 76.69 | 15 |
| 2010 | 76.63 | 15 |
| 2009 | 76.65 | 15 |
| 2008 | 76.56 | 14 |
| 2007 | 76.55 | 14 |
| 2006 | 76.49 | 14 |
| 2005 | 76.52 | 13 |
| 2004 | 76.59 | 13 |
| 2003 | 76.55 | 13 |
| 2002 | 76.61 | 12 |
| 2001 | 76.6 | 12 |
| 2000 | 76.64 | 10 |
| 1999 | 76.54 | 10 |
| 1998 | 76.58 | 9 |
| 1997 | 76.63 | 9 |
| 1996 | 76.66 | 10 |
| 1995 | 76.82 | 10 |
| 1994 | 76.84 | 11 |
| 1993 | 76.75 | 11 |
| 1992 | 76.73 | 12 |
| 1991 | 76.64 | 12 |
| 1990 | 76.51 | 13 |