| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 59.92 | 108 |
| 2015 | 59.67 | 107 |
| 2014 | 59.42 | 103 |
| 2013 | 59.17 | 103 |
| 2012 | 58.94 | 102 |
| 2011 | 58.71 | 102 |
| 2010 | 58.49 | 102 |
| 2009 | 58.26 | 102 |
| 2008 | 58.03 | 102 |
| 2007 | 57.81 | 102 |
| 2006 | 57.58 | 102 |
| 2005 | 57.35 | 103 |
| 2004 | 57.12 | 101 |
| 2003 | 56.89 | 100 |
| 2002 | 56.6 | 100 |
| 2001 | 55.97 | 102 |
| 2000 | 55.33 | 104 |
| 1999 | 54.69 | 104 |
| 1998 | 54.05 | 105 |
| 1997 | 53.41 | 106 |
| 1996 | 52.77 | 107 |
| 1995 | 52.13 | 108 |
| 1994 | 51.49 | 110 |
| 1993 | 50.84 | 111 |
| 1992 | 50.19 | 112 |
| 1991 | 49.44 | 113 |
| 1990 | 48.69 | 115 |
| 1989 | 47.95 | 113 |
| 1988 | 47.21 | 114 |
| 1987 | 46.46 | 114 |
| 1986 | 45.72 | 115 |