| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 44.86 | 120 |
| 2015 | 42.61 | 135 |
| 2014 | 45.86 | 137 |
| 2013 | 42.89 | 150 |
| 2012 | 46.92 | 138 |
| 2011 | 54.48 | 121 |
| 2010 | 47.28 | 135 |
| 2009 | 43.48 | 135 |
| 2008 | 47.91 | 143 |
| 2007 | 50.8 | 132 |
| 2006 | 50.8 | 133 |
| 2005 | 46.9 | 138 |
| 2004 | 48.3 | 126 |
| 2003 | 44.69 | 129 |
| 2002 | 46.14 | 124 |
| 2001 | 43.34 | 132 |
| 2000 | 44.69 | 127 |
| 1999 | 43.38 | 125 |
| 1998 | 45.6 | 110 |
| 1997 | 50.75 | 102 |
| 1996 | 49.21 | 101 |
| 1995 | 53.37 | 90 |
| 1994 | 52.63 | 82 |
| 1993 | 32.22 | 124 |
| 1992 | 51.8 | 69 |
| 1991 | 47.84 | 74 |
| 1990 | 46.27 | 86 |
| 1989 | 44.49 | 87 |
| 1988 | 41.24 | 90 |
| 1987 | 45.91 | 81 |
| 1986 | 58.22 | 49 |