| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 61.03 | 111 |
| 2015 | 60.98 | 111 |
| 2014 | 60.9 | 111 |
| 2013 | 60.62 | 117 |
| 2012 | 60.28 | 116 |
| 2011 | 60.07 | 118 |
| 2010 | 60.47 | 115 |
| 2009 | 61.23 | 106 |
| 2008 | 60.95 | 110 |
| 2007 | 61.54 | 105 |
| 2006 | 62.15 | 99 |
| 2005 | 62.17 | 95 |
| 2004 | 62.1 | 93 |
| 2003 | 58.45 | 127 |
| 2002 | 58.27 | 125 |
| 2001 | 58.08 | 128 |
| 2000 | 57.87 | 132 |
| 1999 | 57.87 | 134 |
| 1998 | 57.86 | 133 |
| 1997 | 57.89 | 134 |
| 1996 | 57.97 | 133 |
| 1995 | 58.1 | 135 |
| 1994 | 57.76 | 136 |
| 1993 | 57.62 | 133 |
| 1992 | 57.49 | 131 |
| 1991 | 57.51 | 130 |
| 1990 | 57.63 | 128 |