| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2015 | 52.155 | 123 |
| 2014 | 52.354 | 121 |
| 2013 | 51.418 | 125 |
| 2012 | 50.174 | 133 |
| 2011 | 51.193 | 122 |
| 2010 | 49.91 | 131 |
| 2009 | 48.639 | 134 |
| 2008 | 48.236 | 128 |
| 2007 | 46.859 | 136 |
| 2006 | 47.014 | 131 |
| 2005 | 47.18 | 125 |
| 2004 | 48.363 | 122 |
| 2003 | 46.672 | 124 |
| 2002 | 45.474 | 129 |
| 2001 | 45.926 | 128 |
| 2000 | 46.088 | 126 |
| 1999 | 42.308 | 129 |
| 1998 | 41.788 | 134 |
| 1997 | 42.017 | 124 |
| 1996 | 42.629 | 119 |
| 1995 | 43.004 | 121 |
| 1994 | 44.404 | 100 |
| 1993 | 47.485 | 84 |
| 1992 | 48.936 | 76 |
| 1991 | 46.384 | 77 |
| 1990 | 46.452 | 73 |
| 1989 | 40.865 | 77 |
| 1988 | 42.758 | 73 |
| 1987 | 46.392 | 66 |
| 1986 | 48.378 | 60 |