| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 42.27 | 104 |
| 2015 | 42.64 | 104 |
| 2014 | 42.52 | 104 |
| 2013 | 42.39 | 102 |
| 2012 | 42.27 | 99 |
| 2011 | 42.19 | 98 |
| 2010 | 42.19 | 98 |
| 2009 | 42.69 | 94 |
| 2008 | 43.24 | 94 |
| 2007 | 43.89 | 94 |
| 2006 | 44.69 | 93 |
| 2005 | 45.66 | 93 |
| 2004 | 47.04 | 95 |
| 2003 | 48.65 | 95 |
| 2002 | 50.45 | 96 |
| 2001 | 52.33 | 96 |
| 2000 | 54.2 | 98 |
| 1999 | 56.09 | 98 |
| 1998 | 57.92 | 99 |
| 1997 | 59.74 | 103 |
| 1996 | 61.68 | 105 |
| 1995 | 63.84 | 107 |
| 1994 | 66.16 | 106 |
| 1993 | 68.64 | 108 |
| 1992 | 71.2 | 110 |
| 1991 | 73.62 | 116 |
| 1990 | 75.71 | 120 |
| 1989 | 78 | 122 |
| 1988 | 80.07 | 126 |
| 1987 | 81.95 | 131 |
| 1986 | 83.75 | 135 |