| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 16.82 | 179 |
| 2015 | 16.72 | 179 |
| 2014 | 16.63 | 179 |
| 2013 | 15.96 | 178 |
| 2012 | 15.41 | 179 |
| 2011 | 14.92 | 179 |
| 2010 | 14.51 | 180 |
| 2009 | 14.28 | 180 |
| 2008 | 14.16 | 180 |
| 2007 | 14.14 | 181 |
| 2006 | 14.19 | 181 |
| 2005 | 14.29 | 181 |
| 2004 | 14.03 | 180 |
| 2003 | 13.79 | 180 |
| 2002 | 15.34 | 176 |
| 2001 | 14.96 | 178 |
| 2000 | 14.79 | 178 |
| 1999 | 14.97 | 178 |
| 1998 | 15.05 | 177 |
| 1997 | 15.18 | 177 |
| 1996 | 15.37 | 176 |
| 1995 | 15.69 | 175 |
| 1994 | 15.65 | 177 |
| 1993 | 15.79 | 176 |
| 1992 | 15.98 | 176 |
| 1991 | 16.05 | 174 |