| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 53.6 | 124 |
| 2015 | 53.9 | 122 |
| 2014 | 53.49 | 122 |
| 2013 | 52.08 | 128 |
| 2012 | 51.68 | 128 |
| 2011 | 51.7 | 128 |
| 2010 | 51.59 | 127 |
| 2009 | 51.49 | 129 |
| 2008 | 51.37 | 135 |
| 2007 | 51.26 | 134 |
| 2006 | 51.14 | 132 |
| 2005 | 51.03 | 129 |
| 2004 | 50.93 | 130 |
| 2003 | 51.32 | 127 |
| 2002 | 51.66 | 129 |
| 2001 | 51.96 | 125 |
| 2000 | 52.22 | 126 |
| 1999 | 52.83 | 123 |
| 1998 | 53.38 | 115 |
| 1997 | 53.86 | 113 |
| 1996 | 52.71 | 122 |
| 1995 | 53.16 | 120 |
| 1994 | 53.26 | 120 |
| 1993 | 53.32 | 119 |
| 1992 | 53.38 | 121 |
| 1991 | 53.55 | 121 |