| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 47.08 | 100 |
| 2015 | 47.2 | 97 |
| 2014 | 46.76 | 101 |
| 2013 | 46.23 | 98 |
| 2012 | 45.66 | 104 |
| 2011 | 45.38 | 103 |
| 2010 | 46.19 | 96 |
| 2009 | 45.4 | 103 |
| 2008 | 44.19 | 106 |
| 2007 | 44.14 | 107 |
| 2006 | 44.32 | 101 |
| 2005 | 44.11 | 103 |
| 2004 | 44.59 | 98 |
| 2003 | 44.76 | 100 |
| 2002 | 44.13 | 98 |
| 2001 | 43.74 | 99 |
| 2000 | 43.42 | 100 |
| 1999 | 42.68 | 105 |
| 1998 | 42.08 | 104 |
| 1997 | 41.66 | 104 |
| 1996 | 41.36 | 104 |
| 1995 | 40.7 | 110 |
| 1994 | 39.56 | 117 |
| 1993 | 38.07 | 119 |
| 1992 | 36.7 | 123 |
| 1991 | 35.49 | 125 |