| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 74.96 | 10 |
| 2015 | 74.97 | 10 |
| 2014 | 74.92 | 10 |
| 2013 | 74.88 | 10 |
| 2012 | 74.85 | 12 |
| 2011 | 74.9 | 12 |
| 2010 | 74.83 | 12 |
| 2009 | 74.87 | 12 |
| 2008 | 74.76 | 12 |
| 2007 | 74.76 | 12 |
| 2006 | 75.22 | 11 |
| 2005 | 74.35 | 11 |
| 2004 | 74.84 | 9 |
| 2003 | 75.25 | 10 |
| 2002 | 74.84 | 9 |
| 2001 | 75.31 | 9 |
| 2000 | 75.15 | 9 |
| 1999 | 75.18 | 9 |
| 1998 | 75.22 | 8 |
| 1997 | 75.35 | 9 |
| 1996 | 75.32 | 9 |
| 1995 | 75.42 | 9 |
| 1994 | 75.42 | 9 |
| 1993 | 75.05 | 9 |
| 1992 | 75.45 | 9 |
| 1991 | 75.15 | 9 |