Year

• 1978 (1) 

  1952 (1) 1953 (2) 1954 (2) 1956 (1) 1957 (2) 1958 (3) 1959 (1) 1960 (3) 1961 (4) 1962 (4) 1963 (1) 1964 (2) 1965 (1) 1967 (3) 1968 (1) 1969 (2) 1970 (1) 1971 (1) 1972 (1) 1973 (3) 1974 (2) 1975 (4) 1977 (1) 1979 (2) 1980 (1) 1981 (6) 1982 (3) 1983 (1) 1984 (2) 1985 (4) 1986 (5) 1987 (1) 1988 (3) 1989 (2) 1990 (1) 1999 (1) 2003 (1) 2005 (1) 2009 (1)

Themes

•  Architecture (3)
•  Children (1)
•  Communications (2)
•  Cultures (1)
•  Fine arts (4)
•  Geography (1)
•  History (6)
•  Industry (1)
•  Post (5)
•  Science (2)
•  Soccer (2)
•  Transport (1)