| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 57.93 | 97 |
| 2015 | 58.37 | 94 |
| 2014 | 58.69 | 88 |
| 2013 | 58.77 | 88 |
| 2012 | 58.17 | 93 |
| 2011 | 57.8 | 93 |
| 2010 | 56.96 | 99 |
| 2009 | 57.31 | 97 |
| 2008 | 58.4 | 93 |
| 2007 | 58.45 | 92 |
| 2006 | 57.94 | 93 |
| 2005 | 57.52 | 95 |
| 2004 | 56.91 | 96 |
| 2003 | 56.17 | 98 |
| 2002 | 56.74 | 93 |
| 2001 | 57.66 | 90 |
| 2000 | 57.73 | 84 |
| 1999 | 57.12 | 89 |
| 1998 | 58.34 | 83 |
| 1997 | 59.94 | 69 |
| 1996 | 59.9 | 69 |
| 1995 | 60.03 | 69 |
| 1994 | 60.78 | 58 |
| 1993 | 61.01 | 59 |
| 1992 | 61.6 | 59 |
| 1991 | 62.65 | 53 |