| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 50.72 | 176 |
| 2015 | 50.01 | 175 |
| 2014 | 49.21 | 176 |
| 2013 | 47.82 | 177 |
| 2012 | 46.72 | 179 |
| 2011 | 46.91 | 179 |
| 2010 | 48.87 | 178 |
| 2009 | 51.59 | 175 |
| 2008 | 54.97 | 174 |
| 2007 | 52.83 | 177 |
| 2006 | 51.67 | 179 |
| 2005 | 52.95 | 176 |
| 2004 | 53.77 | 173 |
| 2003 | 55.89 | 169 |
| 2002 | 56.91 | 165 |
| 2001 | 57.71 | 160 |
| 2000 | 58.04 | 160 |
| 1999 | 57.59 | 164 |
| 1998 | 57.76 | 165 |
| 1997 | 57.85 | 167 |
| 1996 | 58.38 | 166 |
| 1995 | 58.46 | 165 |
| 1994 | 52.79 | 177 |
| 1993 | 55.09 | 174 |
| 1992 | 57.19 | 172 |
| 1991 | 59.1 | 168 |