| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 44.43 | 88 |
| 2015 | 44.4 | 88 |
| 2014 | 44.37 | 88 |
| 2013 | 44.48 | 87 |
| 2012 | 44.32 | 88 |
| 2011 | 44.28 | 90 |
| 2010 | 44.07 | 90 |
| 2009 | 43.71 | 92 |
| 2008 | 43.19 | 98 |
| 2007 | 42.95 | 101 |
| 2006 | 42.41 | 101 |
| 2005 | 42.23 | 103 |
| 2004 | 41.59 | 105 |
| 2003 | 41.67 | 103 |
| 2002 | 41.51 | 102 |
| 2001 | 40.86 | 103 |
| 2000 | 40.7 | 105 |
| 1999 | 40.41 | 104 |
| 1998 | 39.75 | 106 |
| 1997 | 39.06 | 110 |
| 1996 | 38.55 | 112 |
| 1995 | 37.74 | 116 |
| 1994 | 37.31 | 118 |
| 1993 | 36.78 | 119 |
| 1992 | 35.65 | 127 |
| 1991 | 34.84 | 129 |
| 1990 | 34.36 | 132 |