| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 52.36 | 131 |
| 2015 | 52.32 | 132 |
| 2014 | 52.28 | 128 |
| 2013 | 52.18 | 127 |
| 2012 | 51.99 | 126 |
| 2011 | 51.37 | 130 |
| 2010 | 51.13 | 129 |
| 2009 | 50.16 | 137 |
| 2008 | 49.15 | 141 |
| 2007 | 51.6 | 133 |
| 2006 | 48.42 | 144 |
| 2005 | 48.35 | 142 |
| 2004 | 48.34 | 143 |
| 2003 | 48.12 | 144 |
| 2002 | 47.37 | 148 |
| 2001 | 48.33 | 143 |
| 2000 | 48.83 | 143 |
| 1999 | 46.61 | 155 |
| 1998 | 46.15 | 156 |
| 1997 | 52.49 | 123 |
| 1996 | 51.94 | 124 |
| 1995 | 48.38 | 149 |
| 1994 | 46.44 | 153 |
| 1993 | 52.6 | 124 |
| 1992 | 50.07 | 138 |
| 1991 | 53.47 | 122 |