| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 41.05 | 116 |
| 2015 | 41.07 | 115 |
| 2014 | 41.1 | 115 |
| 2013 | 41.13 | 114 |
| 2012 | 41.13 | 116 |
| 2011 | 41.14 | 115 |
| 2010 | 40.01 | 120 |
| 2009 | 38.79 | 128 |
| 2008 | 37.53 | 140 |
| 2007 | 36.24 | 144 |
| 2006 | 34.92 | 150 |
| 2005 | 35.2 | 150 |
| 2004 | 35.5 | 143 |
| 2003 | 35.81 | 139 |
| 2002 | 36.12 | 138 |
| 2001 | 36.43 | 137 |
| 2000 | 36.72 | 132 |
| 1999 | 36.97 | 132 |
| 1998 | 37.21 | 129 |
| 1997 | 37.43 | 123 |
| 1996 | 37.67 | 117 |
| 1995 | 37.91 | 115 |
| 1994 | 38.24 | 109 |
| 1993 | 38.58 | 106 |
| 1992 | 38.94 | 104 |
| 1991 | 39.29 | 100 |
| 1990 | 39.63 | 97 |