| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 74.076 | 17 |
| 2015 | 73.8 | 24 |
| 2014 | 74.246 | 25 |
| 2013 | 73.96 | 26 |
| 2012 | 73.469 | 29 |
| 2011 | 72.551 | 32 |
| 2010 | 71.436 | 38 |
| 2009 | 70.429 | 47 |
| 2008 | 68.545 | 51 |
| 2007 | 67.881 | 53 |
| 2006 | 67.064 | 55 |
| 2005 | 66.54 | 55 |
| 2004 | 66.504 | 53 |
| 2003 | 65.941 | 52 |
| 2002 | 65.711 | 52 |
| 2001 | 65.347 | 53 |
| 2000 | 65.144 | 52 |
| 1999 | 65.078 | 49 |
| 1998 | 64.931 | 47 |
| 1997 | 64.768 | 45 |
| 1996 | 64.784 | 44 |
| 1995 | 65.122 | 41 |