| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2013 | 45.659 | 147 |
| 2012 | 45.276 | 144 |
| 2011 | 41.868 | 152 |
| 2010 | 42.053 | 153 |
| 2009 | 49.696 | 129 |
| 2008 | 41.465 | 146 |
| 2007 | 42.567 | 148 |
| 2006 | 39.539 | 152 |
| 2005 | 38.181 | 156 |
| 2004 | 40.469 | 152 |
| 2003 | 43.858 | 135 |
| 2002 | 46.134 | 125 |
| 2001 | 49.374 | 118 |
| 2000 | 46.116 | 125 |
| 1999 | 49.721 | 109 |
| 1998 | 50.156 | 105 |
| 1997 | 44.24 | 118 |
| 1996 | 46.36 | 110 |
| 1995 | 53.2 | 88 |
| 1994 | 50.646 | 75 |
| 1993 | 42.929 | 96 |
| 1992 | 40.181 | 96 |
| 1991 | 38.024 | 99 |
| 1990 | 33.973 | 106 |
| 1989 | 36.621 | 90 |
| 1988 | 41.966 | 77 |
| 1987 | 43.136 | 73 |
| 1986 | 44.07 | 73 |