| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 57.86 | 122 |
| 2015 | 58.23 | 123 |
| 2014 | 58.72 | 125 |
| 2013 | 59.28 | 125 |
| 2012 | 59.93 | 124 |
| 2011 | 60.65 | 124 |
| 2010 | 61.39 | 124 |
| 2009 | 62.88 | 125 |
| 2008 | 64.43 | 125 |
| 2007 | 65.87 | 126 |
| 2006 | 67.1 | 126 |
| 2005 | 68.21 | 126 |
| 2004 | 69.03 | 124 |
| 2003 | 69.75 | 121 |
| 2002 | 70.41 | 121 |
| 2001 | 71.05 | 119 |
| 2000 | 71.64 | 118 |
| 1999 | 72.38 | 117 |
| 1998 | 73.04 | 117 |
| 1997 | 73.65 | 114 |
| 1996 | 74.27 | 112 |
| 1995 | 74.97 | 111 |
| 1994 | 75.77 | 110 |
| 1993 | 76.63 | 110 |
| 1992 | 77.5 | 110 |
| 1991 | 78.26 | 110 |
| 1990 | 78.83 | 110 |
| 1989 | 79.59 | 110 |
| 1988 | 80.22 | 110 |
| 1987 | 80.76 | 108 |
| 1986 | 81.3 | 109 |