| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 50.1 | 137 |
| 2015 | 49.7 | 137 |
| 2014 | 49.31 | 135 |
| 2013 | 48.92 | 135 |
| 2012 | 48.54 | 135 |
| 2011 | 48.17 | 135 |
| 2010 | 47.8 | 135 |
| 2009 | 47.44 | 135 |
| 2008 | 47.09 | 134 |
| 2007 | 46.74 | 134 |
| 2006 | 46.4 | 133 |
| 2005 | 46.05 | 134 |
| 2004 | 45.71 | 133 |
| 2003 | 45.36 | 135 |
| 2002 | 45.02 | 134 |
| 2001 | 44.67 | 133 |
| 2000 | 44.33 | 133 |
| 1999 | 43.99 | 133 |
| 1998 | 43.65 | 133 |
| 1997 | 43.3 | 133 |
| 1996 | 42.96 | 134 |
| 1995 | 45.96 | 124 |
| 1994 | 48.98 | 118 |
| 1993 | 52.01 | 106 |
| 1992 | 55.02 | 97 |
| 1991 | 58 | 86 |
| 1990 | 55.42 | 93 |
| 1989 | 52.81 | 99 |
| 1988 | 50.2 | 105 |
| 1987 | 47.57 | 111 |
| 1986 | 44.96 | 117 |