| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 69.3 | 34 |
| 2015 | 69.5 | 45 |
| 2014 | 72.327 | 32 |
| 2013 | 71.372 | 38 |
| 2012 | 73.359 | 31 |
| 2011 | 72.349 | 33 |
| 2010 | 70.257 | 42 |
| 2009 | 69.937 | 48 |
| 2008 | 69.544 | 44 |
| 2007 | 70.019 | 42 |
| 2006 | 69.42 | 42 |
| 2005 | 68.836 | 43 |
| 2004 | 66.834 | 50 |
| 2003 | 65.768 | 56 |
| 2002 | 63.699 | 62 |
| 2001 | 63.389 | 63 |
| 2000 | 64.115 | 58 |