| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 19.96 | 175 |
| 2015 | 19.88 | 173 |
| 2014 | 19.63 | 171 |
| 2013 | 19.75 | 170 |
| 2012 | 19.81 | 171 |
| 2011 | 19.86 | 173 |
| 2010 | 19.93 | 174 |
| 2009 | 20 | 176 |
| 2008 | 20.04 | 176 |
| 2007 | 20.09 | 176 |
| 2006 | 20.17 | 175 |
| 2005 | 20.31 | 174 |
| 2004 | 20.2 | 173 |
| 2003 | 20.31 | 173 |
| 2002 | 20.37 | 173 |
| 2001 | 20.34 | 173 |
| 2000 | 20.27 | 174 |
| 1999 | 20.27 | 176 |
| 1998 | 20.23 | 175 |
| 1997 | 20.31 | 174 |
| 1996 | 20.1 | 173 |
| 1995 | 20.25 | 174 |
| 1994 | 19.95 | 171 |
| 1993 | 20.21 | 174 |
| 1992 | 20.4 | 174 |
| 1991 | 19.95 | 175 |