1970

April, 1970 May, 1970 June, 1970 August, 1970 September, 1970 October, 1970 December, 1970

1971

February. 1971 March, 1971 April, 1971 May, 1971 June, 1971 August, 1971 October, 1971 November, 1971 December, 1971

1972

February, 1972 March, 1972 May, 1972 October, 1972 December, 1972

1973

February. 1973 March, 1973 April, 1973 May, 1973 June, 1973 September, 1973 November, 1973 December, 1973

1974

February,-1974 April, 1974 May, 1974 June, 1974 September, 1974 October, 1974 November, 1974 December, 1974

1975

February, 1975 March, 1975 April, 1975 May, 1975 June, 1975 September, 1975 October, 1975 November, 1975 December, 1975

1976

February, 1976 March, 1976 May, 1976 April, 1976 June, 1976 September, 1976 October, 1976 November, 1976 December, 1976

1977

February, 1977 March, 1977 April, 1977 May, 1977 June, 1977 September, 1977 October, 1977 November, 1977 December, 1977

1978

February, 1978 March, 1978 April, 1978 May, 1978 June, 1978 September, 1978 October, 1978 November, 1978 December, 1978

1979

January, 1979 March, 1979 April, 1979 May, 1979 June, 1979 September, 1979 November, 1979 December, 1979