| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 60.62 | 104 |
| 2015 | 59.72 | 106 |
| 2014 | 58.78 | 106 |
| 2013 | 57.81 | 108 |
| 2012 | 56.82 | 109 |
| 2011 | 55.81 | 112 |
| 2010 | 54.8 | 113 |
| 2009 | 53.78 | 115 |
| 2008 | 52.77 | 118 |
| 2007 | 51.74 | 120 |
| 2006 | 50.72 | 121 |
| 2005 | 49.7 | 123 |
| 2004 | 48.68 | 123 |
| 2003 | 47.66 | 123 |
| 2002 | 46.84 | 125 |
| 2001 | 46.43 | 125 |
| 2000 | 46.02 | 126 |
| 1999 | 45.61 | 128 |
| 1998 | 45.2 | 128 |
| 1997 | 44.79 | 128 |
| 1996 | 44.38 | 127 |
| 1995 | 43.97 | 128 |
| 1994 | 43.56 | 128 |
| 1993 | 43.16 | 129 |
| 1992 | 42.75 | 130 |
| 1991 | 41.99 | 130 |
| 1990 | 40.66 | 132 |
| 1989 | 39.35 | 132 |
| 1988 | 38.05 | 137 |
| 1987 | 36.76 | 136 |
| 1986 | 35.5 | 137 |