| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 40.26 | 136 |
| 2015 | 39.99 | 135 |
| 2014 | 39.67 | 134 |
| 2013 | 39.36 | 135 |
| 2012 | 44.57 | 111 |
| 2011 | 37.79 | 142 |
| 2010 | 40.01 | 134 |
| 2009 | 41.52 | 122 |
| 2008 | 43.06 | 115 |
| 2007 | 44.62 | 103 |
| 2006 | 46.43 | 91 |
| 2005 | 43.68 | 107 |
| 2004 | 41.02 | 119 |
| 2003 | 39.9 | 122 |
| 2002 | 39.07 | 124 |
| 2001 | 39.04 | 124 |
| 2000 | 38.02 | 126 |
| 1999 | 36.82 | 133 |
| 1998 | 35.59 | 136 |
| 1997 | 34.66 | 138 |
| 1996 | 33.37 | 140 |
| 1995 | 32.82 | 141 |
| 1994 | 31.88 | 146 |
| 1993 | 31.01 | 146 |
| 1992 | 30.32 | 148 |
| 1991 | 29.18 | 154 |