| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 41.09 | 115 |
| 2015 | 41.04 | 116 |
| 2014 | 41 | 116 |
| 2013 | 40.81 | 116 |
| 2012 | 40.26 | 120 |
| 2011 | 40.41 | 119 |
| 2010 | 40.26 | 118 |
| 2009 | 41.28 | 113 |
| 2008 | 40.96 | 115 |
| 2007 | 40.76 | 114 |
| 2006 | 40.56 | 117 |
| 2005 | 40.64 | 115 |
| 2004 | 40.71 | 115 |
| 2003 | 39.6 | 122 |
| 2002 | 39.12 | 125 |
| 2001 | 38.62 | 128 |
| 2000 | 38.1 | 126 |
| 1999 | 37.81 | 126 |
| 1998 | 37.53 | 126 |
| 1997 | 37.26 | 126 |
| 1996 | 37 | 125 |
| 1995 | 36.76 | 126 |
| 1994 | 36.3 | 128 |
| 1993 | 36.02 | 127 |
| 1992 | 35.73 | 125 |
| 1991 | 35.64 | 125 |
| 1990 | 35.71 | 126 |