| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 54.94 | 121 |
| 2015 | 54.38 | 123 |
| 2014 | 53.82 | 121 |
| 2013 | 53.25 | 123 |
| 2012 | 52.68 | 124 |
| 2011 | 52.1 | 125 |
| 2010 | 51.52 | 126 |
| 2009 | 50.93 | 125 |
| 2008 | 50.34 | 124 |
| 2007 | 49.74 | 125 |
| 2006 | 49.14 | 125 |
| 2005 | 48.54 | 124 |
| 2004 | 47.94 | 124 |
| 2003 | 47.34 | 124 |
| 2002 | 46.74 | 126 |
| 2001 | 46.14 | 127 |
| 2000 | 45.54 | 129 |
| 1999 | 44.94 | 130 |
| 1998 | 44.35 | 131 |
| 1997 | 43.76 | 132 |
| 1996 | 43.16 | 132 |
| 1995 | 42.57 | 135 |
| 1994 | 41.99 | 135 |
| 1993 | 41.4 | 135 |
| 1992 | 40.82 | 134 |
| 1991 | 40.24 | 134 |
| 1990 | 39.66 | 135 |
| 1989 | 39.08 | 133 |
| 1988 | 38.51 | 135 |
| 1987 | 37.94 | 135 |
| 1986 | 37.12 | 134 |