| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 13.19 | 178 |
| 2015 | 13.56 | 178 |
| 2014 | 13.96 | 176 |
| 2013 | 14.37 | 175 |
| 2012 | 14.8 | 175 |
| 2011 | 15.25 | 176 |
| 2010 | 15.62 | 176 |
| 2009 | 15.91 | 176 |
| 2008 | 16.21 | 176 |
| 2007 | 16.52 | 176 |
| 2006 | 16.83 | 176 |
| 2005 | 17.14 | 176 |
| 2004 | 17.42 | 176 |
| 2003 | 17.66 | 177 |
| 2002 | 17.91 | 177 |
| 2001 | 18.15 | 177 |
| 2000 | 18.4 | 177 |
| 1999 | 18.52 | 177 |
| 1998 | 18.65 | 177 |
| 1997 | 18.77 | 177 |
| 1996 | 18.9 | 178 |
| 1995 | 19.1 | 178 |
| 1994 | 19.3 | 179 |
| 1993 | 19.5 | 179 |
| 1992 | 19.7 | 180 |
| 1991 | 19.97 | 179 |
| 1990 | 20.3 | 179 |
| 1989 | 20.64 | 178 |
| 1988 | 20.98 | 177 |
| 1987 | 21.33 | 177 |
| 1986 | 21.68 | 176 |