| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 17.62 | 174 |
| 2015 | 17.16 | 174 |
| 2014 | 16.59 | 173 |
| 2013 | 17.29 | 171 |
| 2012 | 18.08 | 170 |
| 2011 | 18.21 | 173 |
| 2010 | 15.64 | 177 |
| 2009 | 16.26 | 180 |
| 2008 | 16.9 | 179 |
| 2007 | 17.61 | 180 |
| 2006 | 16.69 | 181 |
| 2005 | 16.63 | 182 |
| 2004 | 15.29 | 181 |
| 2003 | 16.2 | 181 |
| 2002 | 14.15 | 185 |
| 2001 | 17.62 | 180 |
| 2000 | 20.73 | 171 |
| 1999 | 21.17 | 173 |
| 1998 | 20.59 | 174 |
| 1997 | 19.07 | 181 |
| 1996 | 18.24 | 183 |
| 1995 | 18.55 | 183 |
| 1994 | 17.79 | 185 |
| 1993 | 18.46 | 183 |
| 1992 | 17.63 | 185 |
| 1991 | 18.31 | 184 |