1966 1967a 1967b 1968a 1968b
1968c 1969* 1970a 1970b 1972a
1972b 1972c** 1973 1974 1975a**
1975b 1975c 1976 1977a 1977b**
1979 1982 1985 1986** 1989a*
1989b 1995 1999* 2001** 2002
2004a 2004b 2008a* 2008b 2013