February – 1979
March – 1979
April – 1979
May – 1979
June – 1979
July – 1979
August – 1979
September – 1979
October – 1979
November – 1979
December – 1979
February – 1978
March – 1978
April – 1978
May – 1978
June – 1978
July – 1978
August – 1978
September – 1978
October – 1978
November – 1978
December – 1978
February – 1977
March – 1977
April – 1977
May – 1977
June – 1977
July – 1977
August – 1977
September – 1977
October – 1977
November – 1977
December – 1977
January 1976
February – 1976
March – 1976
April – 1976
May – 1976
June – 1976
July – 1976
August – 1976
September – 1976
October – 1976
November – 1976
December – 1976
January – 1975
February – 1975
March – 1975
April – 1975
May – 1975
June – 1975
July – 1975
August – 1075
September – 1975
October – 1975
November – 1975
February – 1974
March – 1974
April – 1974
May – 1974
June – 1974
July – 1974
August – 1974
October – 1974
November – 1974
December – 1974
January – 1973
February – 1973
March – 1973
May – 1973
June – 1973
July – 1973
August – 1973
September – 1973
November – 1973
December – 1973
January – 1972
March – 1972
April – 1972
May – 1972
June – 1972
July – 1972
August – 1972
November – 1972
December – 1972
January – 1971
February – 1971
March – 1971
April – May – 1971
June – 1971
July – 1971
August – 1971
September – October – 1971
November – 1971
January – 1970
February – 1970
March – 1970
May – 1970
May – June – 1970
July – 1970
August – 1970
September – 1970
October – 1970
November – 1970
