| 1973 | |
| | |
| 1974 | |
| 1975 | |
| 1976 | |
| | |
| 1977 | |
| 1978 | |
| | |
| 1979 | |
| | |
| 1980 | |
| 1981 | |
| | |
| 1982 | |
| | |
| 1983 | |
| | |
| 1984 | |
| | |
| 1985 | |
| | |
| 1987 | |
| | |
| 1988 | |
| | |
| 1989 | |
| 1990 | |
| | |
| 1991 | |
| 1992 | |
| | |
| 1994 | |
| | |
| 1995 | |
| 1996 | |
| | |
| 1999 | |
| | |
| 2000 | |
| | |
| 2001 | |
| | |
| 2002 | |
| | |
| 2003 | |
| | |
| 2004 | |
| | |
| 2005 | |
| | |
| 2006 | |
| | |
| 2007 | |
| 2008 | |
| 2009 | |
| | |
| 2010 | |
| 2011 | |
| 2012 | |
| | | |
| Organising country: Uganda |
|
| 2013 | |
| | | |
| Organising country: Kenya |
|
| 2015 | |
| 2017 | |
| | | |
| Organising country: Kenya |
|
| | |
| 2018 | |
| | | |
| Organising country: Kenya |
|