1931 - 1940 1938

1951 - 1960 1955 1957 1959 1960

1961 - 1970 1961 1962 1963 1964 1965 1966 1967 1968

1971 - 1980 1971 1972 1973 1975 1976 1978

1981 - 1990 1981 1983 1986 1987 1989 1990

1991 - 1992 1991 1992