REPORTINGPERIOD	SERIES_KEY	OBSERVATION	CONFIDENTIALITY_FLAG	UNITS	FREQ	FREQ_DESC	REF_AREA	REF_AREA_DESC	COUNT_AREA	COUNT_AREA_DESC	TYP_TRNSCTN	TYP_TRNSCTN_DESC	RL_TRNSCTN	RL_TRNSCTN_DESC	FRD_TYP	FRD_TYP_DESC	TRANSFORMATION	TRANSFORMATION_DESC	UNIT_MEASURE	UNIT_MEASURE_DESC