| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 37.58 | 91 |
| 2015 | 37.6 | 91 |
| 2014 | 37.55 | 90 |
| 2013 | 37.45 | 90 |
| 2012 | 37.31 | 90 |
| 2011 | 37.13 | 92 |
| 2010 | 36.91 | 93 |
| 2009 | 36.61 | 96 |
| 2008 | 36.28 | 108 |
| 2007 | 35.92 | 108 |
| 2006 | 35.58 | 111 |
| 2005 | 35.32 | 113 |
| 2004 | 35.16 | 111 |
| 2003 | 35.06 | 113 |
| 2002 | 35.06 | 113 |
| 2001 | 35.09 | 119 |
| 2000 | 35.13 | 119 |
| 1999 | 35.21 | 119 |
| 1998 | 35.31 | 122 |
| 1997 | 35.42 | 123 |
| 1996 | 35.48 | 130 |
| 1995 | 36.06 | 128 |
| 1994 | 36.19 | 127 |
| 1993 | 36.26 | 128 |
| 1992 | 36.33 | 128 |
| 1991 | 36.36 | 132 |