| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 27.239 | 192 |
| 2015 | 26.868 | 192 |
| 2014 | 26.468 | 192 |
| 2013 | 26.057 | 192 |
| 2012 | 25.705 | 192 |
| 2011 | 25.499 | 193 |
| 2010 | 25.502 | 193 |
| 2009 | 25.785 | 193 |
| 2008 | 26.396 | 193 |
| 2007 | 27.341 | 194 |
| 2006 | 28.522 | 194 |
| 2005 | 29.744 | 194 |
| 2004 | 30.789 | 194 |
| 2003 | 31.545 | 194 |
| 2002 | 31.978 | 194 |
| 2001 | 32.242 | 194 |
| 2000 | 32.507 | 194 |
| 1999 | 32.798 | 194 |
| 1998 | 33.042 | 194 |
| 1997 | 33.25 | 194 |
| 1996 | 33.424 | 194 |
| 1995 | 33.57 | 194 |
| 1994 | 33.706 | 194 |
| 1993 | 33.855 | 193 |
| 1992 | 34.022 | 193 |
| 1991 | 34.201 | 193 |
| 1990 | 34.384 | 193 |
| 1989 | 34.6 | 191 |
| 1988 | 34.854 | 191 |
| 1987 | 35.075 | 191 |
| 1986 | 35.135 | 191 |