| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 44.49 | 10 |
| 2015 | 42.97 | 21 |
| 2014 | 45.28 | 17 |
| 2013 | 44.54 | 22 |
| 2012 | 43.38 | 23 |
| 2011 | 40.69 | 27 |
| 2010 | 39.35 | 30 |
| 2009 | 36.82 | 33 |
| 2008 | 35.03 | 39 |
| 2007 | 33.89 | 42 |
| 2006 | 35.41 | 36 |
| 2005 | 38.64 | 31 |
| 2004 | 38.54 | 28 |
| 2003 | 38.9 | 25 |
| 2002 | 40.89 | 23 |
| 2001 | 44.86 | 14 |
| 2000 | 43.5 | 18 |
| 1999 | 43.4 | 21 |
| 1998 | 44.77 | 18 |
| 1997 | 41.91 | 18 |
| 1996 | 37.09 | 24 |
| 1995 | 32.51 | 28 |