| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 53.24 | 126 |
| 2015 | 52.59 | 129 |
| 2014 | 51.81 | 132 |
| 2013 | 50.72 | 138 |
| 2012 | 50.77 | 137 |
| 2011 | 50.72 | 134 |
| 2010 | 50.56 | 133 |
| 2009 | 50.73 | 133 |
| 2008 | 50.65 | 136 |
| 2007 | 48.75 | 145 |
| 2006 | 46.58 | 154 |
| 2005 | 44.95 | 162 |
| 2004 | 44.08 | 166 |
| 2003 | 43.99 | 165 |
| 2002 | 43.93 | 165 |
| 2001 | 45.51 | 158 |
| 2000 | 46.8 | 151 |
| 1999 | 48.81 | 143 |
| 1998 | 51.09 | 133 |
| 1997 | 50.94 | 135 |
| 1996 | 50.67 | 134 |
| 1995 | 50.7 | 132 |
| 1994 | 51.09 | 132 |
| 1993 | 52.32 | 125 |
| 1992 | 53.25 | 122 |
| 1991 | 54.92 | 110 |