| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 60.45 | 143 |
| 2015 | 61.29 | 143 |
| 2014 | 62.23 | 143 |
| 2013 | 63.19 | 142 |
| 2012 | 64.13 | 143 |
| 2011 | 64.96 | 143 |
| 2010 | 65.61 | 143 |
| 2009 | 66.31 | 143 |
| 2008 | 66.84 | 144 |
| 2007 | 67.23 | 140 |
| 2006 | 67.59 | 138 |
| 2005 | 67.97 | 137 |
| 2004 | 68.33 | 135 |
| 2003 | 68.7 | 133 |
| 2002 | 69.07 | 131 |
| 2001 | 69.37 | 128 |
| 2000 | 69.55 | 126 |
| 1999 | 70.04 | 126 |
| 1998 | 70.55 | 126 |
| 1997 | 71.09 | 124 |
| 1996 | 71.64 | 121 |
| 1995 | 72.18 | 121 |
| 1994 | 73.01 | 118 |
| 1993 | 73.84 | 118 |
| 1992 | 74.66 | 119 |
| 1991 | 75.49 | 122 |
| 1990 | 76.34 | 123 |
| 1989 | 77.24 | 121 |
| 1988 | 78.11 | 121 |
| 1987 | 78.9 | 124 |
| 1986 | 79.53 | 124 |