| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 40.13 | 124 |
| 2015 | 40.08 | 124 |
| 2014 | 40.05 | 124 |
| 2013 | 39.68 | 127 |
| 2012 | 39.48 | 126 |
| 2011 | 38.96 | 131 |
| 2010 | 38.63 | 134 |
| 2009 | 39.22 | 127 |
| 2008 | 38.69 | 129 |
| 2007 | 38.95 | 127 |
| 2006 | 38.66 | 128 |
| 2005 | 38.32 | 130 |
| 2004 | 37.96 | 129 |
| 2003 | 37.6 | 131 |
| 2002 | 37.23 | 132 |
| 2001 | 36.87 | 134 |
| 2000 | 36.03 | 138 |
| 1999 | 35.16 | 138 |
| 1998 | 34.49 | 140 |
| 1997 | 35.31 | 135 |
| 1996 | 36.19 | 133 |
| 1995 | 37.04 | 122 |
| 1994 | 36.93 | 123 |
| 1993 | 36.79 | 118 |
| 1992 | 36.67 | 118 |
| 1991 | 36.46 | 117 |
| 1990 | 36.34 | 116 |