| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 80.34 | 8 |
| 2015 | 80.49 | 8 |
| 2014 | 80.54 | 8 |
| 2013 | 80.38 | 8 |
| 2012 | 81.18 | 7 |
| 2011 | 80.64 | 8 |
| 2010 | 81.32 | 7 |
| 2009 | 81.91 | 6 |
| 2008 | 81.85 | 5 |
| 2007 | 81.27 | 6 |
| 2006 | 81.59 | 4 |
| 2005 | 81.88 | 5 |
| 2004 | 83 | 4 |
| 2003 | 82.35 | 4 |
| 2002 | 82.89 | 3 |
| 2001 | 82.32 | 4 |
| 2000 | 84.03 | 2 |
| 1999 | 84.43 | 3 |
| 1998 | 83.5 | 5 |
| 1997 | 83.1 | 5 |
| 1996 | 82.76 | 5 |
| 1995 | 84.27 | 5 |
| 1994 | 83.71 | 4 |
| 1993 | 83.17 | 5 |
| 1992 | 82.68 | 5 |
| 1991 | 82.87 | 4 |