| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 40.35 | 135 |
| 2015 | 39.23 | 137 |
| 2014 | 37.28 | 144 |
| 2013 | 36.67 | 145 |
| 2012 | 36.98 | 144 |
| 2011 | 40.05 | 131 |
| 2010 | 43.1 | 116 |
| 2009 | 38.42 | 137 |
| 2008 | 33.33 | 154 |
| 2007 | 44.91 | 102 |
| 2006 | 44.43 | 100 |
| 2005 | 41.18 | 123 |
| 2004 | 40.99 | 120 |
| 2003 | 41.62 | 115 |
| 2002 | 39.34 | 121 |
| 2001 | 29.71 | 161 |
| 2000 | 38.33 | 125 |
| 1999 | 38.26 | 126 |
| 1998 | 38 | 125 |
| 1997 | 37.74 | 124 |
| 1996 | 38.1 | 120 |
| 1995 | 38.59 | 118 |
| 1994 | 39.1 | 118 |
| 1993 | 38.54 | 118 |
| 1992 | 38.14 | 116 |
| 1991 | 37.98 | 118 |