| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 61.42 | 129 |
| 2015 | 62.26 | 131 |
| 2014 | 63.23 | 134 |
| 2013 | 64.32 | 134 |
| 2012 | 65.49 | 134 |
| 2011 | 66.61 | 133 |
| 2010 | 67.62 | 134 |
| 2009 | 68.79 | 135 |
| 2008 | 69.87 | 133 |
| 2007 | 70.89 | 133 |
| 2006 | 71.96 | 134 |
| 2005 | 73.13 | 132 |
| 2004 | 74.42 | 132 |
| 2003 | 75.76 | 132 |
| 2002 | 77.15 | 132 |
| 2001 | 78.54 | 135 |
| 2000 | 79.88 | 134 |
| 1999 | 81.49 | 133 |
| 1998 | 83.15 | 137 |
| 1997 | 84.77 | 139 |
| 1996 | 86.16 | 139 |
| 1995 | 87.19 | 140 |
| 1994 | 88.22 | 139 |
| 1993 | 88.82 | 137 |
| 1992 | 89.04 | 135 |
| 1991 | 89.11 | 134 |
| 1990 | 89.18 | 135 |
| 1989 | 88.95 | 130 |
| 1988 | 88.6 | 130 |
| 1987 | 88.1 | 129 |
| 1986 | 87.32 | 128 |