| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 54.09 | 150 |
| 2015 | 53.91 | 151 |
| 2014 | 53.72 | 151 |
| 2013 | 53.9 | 149 |
| 2012 | 54.06 | 148 |
| 2011 | 54.22 | 149 |
| 2010 | 54.02 | 152 |
| 2009 | 53.7 | 153 |
| 2008 | 53.16 | 156 |
| 2007 | 53.27 | 155 |
| 2006 | 53.64 | 150 |
| 2005 | 52.61 | 157 |
| 2004 | 51.62 | 158 |
| 2003 | 51.15 | 163 |
| 2002 | 50.7 | 166 |
| 2001 | 50.8 | 166 |
| 2000 | 51 | 164 |
| 1999 | 50.66 | 168 |
| 1998 | 50.34 | 168 |
| 1997 | 50.38 | 168 |
| 1996 | 49.75 | 169 |
| 1995 | 49.18 | 172 |
| 1994 | 50.3 | 167 |
| 1993 | 49.97 | 169 |
| 1992 | 50.51 | 167 |
| 1991 | 50.56 | 167 |
| 1990 | 50.56 | 167 |