| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 56.06 | 110 |
| 2015 | 55.66 | 112 |
| 2014 | 55.65 | 112 |
| 2013 | 55.81 | 107 |
| 2012 | 55.17 | 111 |
| 2011 | 55.58 | 106 |
| 2010 | 55.13 | 107 |
| 2009 | 56.68 | 102 |
| 2008 | 58.83 | 88 |
| 2007 | 59.62 | 79 |
| 2006 | 58.11 | 91 |
| 2005 | 57.73 | 93 |
| 2004 | 55.99 | 101 |
| 2003 | 56.9 | 91 |
| 2002 | 57.32 | 87 |
| 2001 | 57.86 | 88 |
| 2000 | 55.98 | 97 |
| 1999 | 56.91 | 90 |
| 1998 | 57.85 | 85 |
| 1997 | 56.32 | 93 |
| 1996 | 54.09 | 110 |
| 1995 | 56.36 | 98 |
| 1994 | 56.17 | 97 |
| 1993 | 55.97 | 97 |
| 1992 | 55.34 | 104 |
| 1991 | 55.06 | 107 |