| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 47.7 | 90 |
| 2015 | 47.49 | 94 |
| 2014 | 47.57 | 91 |
| 2013 | 47.64 | 86 |
| 2012 | 47.8 | 86 |
| 2011 | 47.03 | 91 |
| 2010 | 47.4 | 88 |
| 2009 | 46.85 | 92 |
| 2008 | 46.16 | 97 |
| 2007 | 45.18 | 100 |
| 2006 | 43.73 | 110 |
| 2005 | 42.9 | 110 |
| 2004 | 43.44 | 105 |
| 2003 | 43.33 | 105 |
| 2002 | 43.99 | 100 |
| 2001 | 44.7 | 96 |
| 2000 | 47.01 | 81 |
| 1999 | 47.33 | 76 |
| 1998 | 46.54 | 80 |
| 1997 | 46.51 | 80 |
| 1996 | 48.41 | 73 |
| 1995 | 48.78 | 70 |
| 1994 | 45.79 | 86 |
| 1993 | 47.05 | 76 |
| 1992 | 47.01 | 76 |
| 1991 | 47.82 | 76 |