| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 80.208 | 7 |
| 2015 | 80.192 | 9 |
| 2014 | 80.347 | 10 |
| 2013 | 79.851 | 12 |
| 2012 | 80.126 | 14 |
| 2011 | 81.07 | 11 |
| 2010 | 81.079 | 11 |
| 2009 | 79.737 | 12 |
| 2008 | 79.1 | 9 |
| 2007 | 76.154 | 22 |
| 2006 | 73.831 | 26 |
| 2005 | 75.389 | 20 |
| 2004 | 72.712 | 26 |
| 2003 | 71.559 | 28 |
| 2002 | 72.615 | 22 |
| 2001 | 72.436 | 23 |
| 2000 | 72.93 | 20 |
| 1999 | 72.218 | 19 |
| 1998 | 73.312 | 17 |
| 1997 | 73.189 | 19 |
| 1996 | 71.886 | 18 |
| 1995 | 70.337 | 20 |