| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 42.48 | 106 |
| 2015 | 43.01 | 107 |
| 2014 | 43.57 | 108 |
| 2013 | 44.13 | 110 |
| 2012 | 44.7 | 112 |
| 2011 | 45.31 | 110 |
| 2010 | 45.95 | 110 |
| 2009 | 46.66 | 111 |
| 2008 | 47.42 | 110 |
| 2007 | 48.22 | 108 |
| 2006 | 49.08 | 108 |
| 2005 | 49.98 | 107 |
| 2004 | 51.02 | 106 |
| 2003 | 52.14 | 104 |
| 2002 | 53.31 | 104 |
| 2001 | 54.45 | 104 |
| 2000 | 55.53 | 100 |
| 1999 | 56.66 | 100 |
| 1998 | 57.69 | 98 |
| 1997 | 58.65 | 97 |
| 1996 | 59.62 | 97 |
| 1995 | 60.68 | 98 |
| 1994 | 61.64 | 95 |
| 1993 | 62.64 | 96 |
| 1992 | 63.61 | 95 |
| 1991 | 64.41 | 96 |
| 1990 | 64.92 | 95 |
| 1989 | 65.54 | 95 |
| 1988 | 65.94 | 93 |
| 1987 | 66.24 | 93 |
| 1986 | 66.68 | 91 |