1969 01 1970 01 1971 01 1972 01 1969 02 1971 02 1972 02 1969 03 1970 03 1971 03 1969 04 1970 04 1971 04 1969 05 1970 05 1971 05 1969 06 1970 06 1971 06 1969 07 1970 07 1971 07 1969 08 1970 08 1971 08 1969 09 1970 09 1971 09 1969 10 1970 10 1971 10 1969 11 1970 11 1971 11 1969 12 1970 12 1971 12