| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 53.802 | 93 |
| 2015 | 52.927 | 120 |
| 2014 | 51.8 | 124 |
| 2013 | 50.621 | 130 |
| 2012 | 50.031 | 134 |
| 2011 | 48.97 | 133 |
| 2010 | 48.695 | 138 |
| 2009 | 48.46 | 135 |
| 2008 | 47.78 | 131 |
| 2007 | 46.402 | 138 |
| 2006 | 46.596 | 133 |
| 2005 | 46.9 | 126 |
| 2004 | 46.923 | 125 |
| 2003 | 47.432 | 122 |
| 2002 | 47.288 | 122 |
| 2001 | 46.277 | 127 |
| 2000 | 45.08 | 128 |
| 1999 | 44.471 | 122 |
| 1998 | 42.517 | 132 |
| 1997 | 41.618 | 128 |
| 1996 | 40.107 | 129 |
| 1995 | 40.051 | 129 |
| 1994 | 39.151 | 110 |
| 1993 | 39.815 | 103 |
| 1992 | 39.429 | 98 |
| 1991 | 39.191 | 95 |
| 1990 | 38.267 | 93 |
| 1989 | 38.281 | 86 |
| 1988 | 37.883 | 87 |
| 1987 | 38.782 | 83 |
| 1986 | 38.251 | 84 |