1972 ~ 1975

1972:
January / February / March / April / May / June / July / August / September / October / November / December

1973:
January / February / March / April / May / June / July / August / September / October / November / December

1974:
January / February / March / April / May / June / July / August / September / October / November / December

1975:
January / February / March / April / May / June / July / August / September / October / November / December

on to 1976-1977