1976 1976 1975 1975 1974 1974 1973 1973 1972 1972 1971 1971 1970 1970 1969 1969 1968 1968 1967 1967 1966 1966 1965 1965 1964 1964 1963 1963 1962 1962 1961 1961 1960 1960 1781 1781 950 950 293 293