| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 62.84 | 134 |
| 2015 | 62.35 | 136 |
| 2014 | 61.42 | 143 |
| 2013 | 62.04 | 137 |
| 2012 | 60.35 | 145 |
| 2011 | 59.93 | 146 |
| 2010 | 59.74 | 150 |
| 2009 | 56.38 | 164 |
| 2008 | 59.16 | 160 |
| 2007 | 58.44 | 161 |
| 2006 | 57.86 | 164 |
| 2005 | 57.33 | 164 |
| 2004 | 56.83 | 167 |
| 2003 | 56.42 | 168 |
| 2002 | 56.03 | 169 |
| 2001 | 55.62 | 169 |
| 2000 | 55.62 | 169 |
| 1999 | 57.33 | 166 |
| 1998 | 56.99 | 169 |
| 1997 | 58.06 | 165 |
| 1996 | 57.17 | 168 |
| 1995 | 57.59 | 169 |
| 1994 | 57.82 | 166 |
| 1993 | 56.82 | 168 |
| 1992 | 57.96 | 170 |
| 1991 | 58.45 | 170 |