| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 26.06 | 193 |
| 2015 | 25.62 | 193 |
| 2014 | 25.2 | 190 |
| 2013 | 24.78 | 190 |
| 2012 | 24.37 | 191 |
| 2011 | 23.97 | 191 |
| 2010 | 23.57 | 191 |
| 2009 | 23.18 | 191 |
| 2008 | 22.8 | 191 |
| 2007 | 22.42 | 191 |
| 2006 | 22.05 | 193 |
| 2005 | 21.68 | 194 |
| 2004 | 21.31 | 195 |
| 2003 | 20.95 | 195 |
| 2002 | 20.59 | 195 |
| 2001 | 20.24 | 194 |
| 2000 | 19.89 | 194 |
| 1999 | 19.55 | 194 |
| 1998 | 19.22 | 194 |
| 1997 | 18.9 | 194 |
| 1996 | 18.58 | 193 |
| 1995 | 18.26 | 194 |
| 1994 | 17.95 | 194 |
| 1993 | 17.65 | 194 |
| 1992 | 17.34 | 194 |
| 1991 | 17.04 | 194 |
| 1990 | 16.75 | 194 |
| 1989 | 16.49 | 192 |
| 1988 | 16.38 | 192 |
| 1987 | 16.28 | 192 |
| 1986 | 16.18 | 192 |