| 1978 | 1979 |
|1980 | 1982 | 1983 | 1985 | 1986 | 1987 | 1988 |
| 1990 | 1991 | 1993 | 1994 | 1995 | 1996 | 1998 | 1999 |
| 2000 | 2002 | 2004 | 2005 | 2006 | 2009 |
| 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |