| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 19.8 | 175 |
| 2015 | 20.14 | 175 |
| 2014 | 20.27 | 174 |
| 2013 | 20.33 | 174 |
| 2012 | 20.29 | 174 |
| 2011 | 20.22 | 175 |
| 2010 | 20.2 | 175 |
| 2009 | 20.07 | 175 |
| 2008 | 20 | 174 |
| 2007 | 20.03 | 174 |
| 2006 | 20.1 | 174 |
| 2005 | 20.12 | 174 |
| 2004 | 20.55 | 174 |
| 2003 | 20.91 | 174 |
| 2002 | 21.24 | 173 |
| 2001 | 21.52 | 174 |
| 2000 | 21.39 | 174 |
| 1999 | 21.09 | 174 |
| 1998 | 20.67 | 175 |
| 1997 | 20.17 | 175 |
| 1996 | 19.64 | 175 |
| 1995 | 19.12 | 175 |
| 1994 | 18.69 | 173 |
| 1993 | 18.28 | 174 |
| 1992 | 17.92 | 174 |
| 1991 | 17.59 | 175 |
| 1990 | 17.04 | 175 |