| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 26.44 | 192 |
| 2015 | 26.13 | 192 |
| 2014 | 25.82 | 189 |
| 2013 | 25.51 | 189 |
| 2012 | 25.2 | 189 |
| 2011 | 24.89 | 190 |
| 2010 | 24.59 | 189 |
| 2009 | 24.29 | 188 |
| 2008 | 23.99 | 187 |
| 2007 | 23.69 | 186 |
| 2006 | 23.39 | 186 |
| 2005 | 23.1 | 187 |
| 2004 | 22.81 | 188 |
| 2003 | 22.52 | 188 |
| 2002 | 22.24 | 190 |
| 2001 | 21.95 | 191 |
| 2000 | 21.67 | 191 |
| 1999 | 21.38 | 191 |
| 1998 | 21.07 | 191 |
| 1997 | 20.77 | 191 |
| 1996 | 20.46 | 191 |
| 1995 | 20.16 | 191 |
| 1994 | 19.87 | 190 |
| 1993 | 19.57 | 190 |
| 1992 | 19.29 | 190 |
| 1991 | 19 | 190 |
| 1990 | 18.72 | 190 |
| 1989 | 18.44 | 189 |
| 1988 | 18.01 | 189 |
| 1987 | 17.57 | 189 |
| 1986 | 17.14 | 191 |