1972 1973 1974 1976a 1976b*
1978 1980 1981 1982 1983
1985 1987* 1988 1990 1994a*
1994b* 1994c 1995a 1995b* 1996a
1996b* 1996c* 1996d* 1998a 1998b
1998c* 1999a* 1999b* 1999c* 1999d*
2000 2001 2001b 2002* 2003a
2003b* 2003c* 2004a 2004b 2006a*
2006b* 2007a* 2007b* 2007c* 2007d
2007e* 2009a* 2009b* 2011 2012a
2012b 2015 2016