| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 57.9 | 181 |
| 2015 | 57.53 | 182 |
| 2014 | 57.16 | 182 |
| 2013 | 56.94 | 182 |
| 2012 | 56.72 | 183 |
| 2011 | 56.53 | 182 |
| 2010 | 56.35 | 183 |
| 2009 | 57.98 | 183 |
| 2008 | 59.56 | 182 |
| 2007 | 61.09 | 178 |
| 2006 | 62.59 | 172 |
| 2005 | 64.07 | 169 |
| 2004 | 64.39 | 167 |
| 2003 | 64.74 | 167 |
| 2002 | 65.13 | 165 |
| 2001 | 65.53 | 164 |
| 2000 | 65.96 | 164 |
| 1999 | 66.36 | 161 |
| 1998 | 66.78 | 156 |
| 1997 | 67.22 | 159 |
| 1996 | 67.68 | 159 |
| 1995 | 68.15 | 158 |
| 1994 | 68.64 | 156 |
| 1993 | 69.14 | 154 |
| 1992 | 69.17 | 156 |
| 1991 | 69.23 | 160 |
| 1990 | 69.25 | 160 |