| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 50.46 | 128 |
| 2015 | 51 | 128 |
| 2014 | 51.62 | 127 |
| 2013 | 52.29 | 126 |
| 2012 | 53.05 | 127 |
| 2011 | 53.88 | 126 |
| 2010 | 54.71 | 126 |
| 2009 | 56.38 | 126 |
| 2008 | 58.09 | 126 |
| 2007 | 59.68 | 126 |
| 2006 | 61.08 | 127 |
| 2005 | 62.36 | 127 |
| 2004 | 63.23 | 126 |
| 2003 | 63.99 | 125 |
| 2002 | 64.71 | 123 |
| 2001 | 65.4 | 122 |
| 2000 | 66.05 | 121 |
| 1999 | 66.82 | 121 |
| 1998 | 67.53 | 119 |
| 1997 | 68.18 | 117 |
| 1996 | 68.84 | 115 |
| 1995 | 69.57 | 112 |
| 1994 | 70.35 | 110 |
| 1993 | 71.16 | 110 |
| 1992 | 71.96 | 112 |
| 1991 | 72.67 | 113 |
| 1990 | 73.21 | 116 |
| 1989 | 73.92 | 115 |
| 1988 | 74.51 | 114 |
| 1987 | 75.02 | 112 |
| 1986 | 75.55 | 113 |