1973a	1973b	1977	1984a	1984b**
1986	1988	1989a	1989b	1990b
1992	1993a	1993b	1993c	1994
1995	1997a	1997b*	1998a	1998b
2000a	2000b	2002a	2002b	2004
2005	2006**	2007	2008b	2008b
2010	2012	2013	2015	2016a
2016b*	2018