| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 43.53 | 122 |
| 2015 | 46.65 | 123 |
| 2014 | 46.98 | 131 |
| 2013 | 47.03 | 137 |
| 2012 | 48.71 | 131 |
| 2011 | 50.42 | 131 |
| 2010 | 48.54 | 129 |
| 2009 | 48.07 | 121 |
| 2008 | 56.73 | 122 |
| 2007 | 54.04 | 125 |
| 2006 | 53.98 | 122 |
| 2005 | 51.58 | 123 |
| 2004 | 49.58 | 123 |
| 2003 | 47.38 | 123 |
| 2002 | 48.38 | 116 |
| 2001 | 52.96 | 101 |
| 2000 | 55.13 | 98 |
| 1999 | 49.08 | 106 |
| 1998 | 50.52 | 98 |
| 1997 | 52.21 | 96 |
| 1996 | 52.14 | 96 |
| 1995 | 49.31 | 103 |
| 1994 | 48.77 | 91 |
| 1993 | 46.28 | 86 |
| 1992 | 46.69 | 85 |
| 1991 | 48.97 | 70 |
| 1990 | 51.15 | 75 |
| 1989 | 49.43 | 75 |
| 1988 | 44.8 | 85 |
| 1987 | 46.83 | 77 |
| 1986 | 48.79 | 70 |