period	period_abbr	period_name
M01	JAN	January
M02	FEB	February
M03	MAR	March
M04	APR	April
M05	MAY	May
M06	JUN	June
M07	JUL	July
M08	AUG	August
M09	SEP	September
M10	OCT	October
M11	NOV	November
M12	DEC	December
M13	AN AV	Annual Average
Q01	QTR1	1st Quarter
Q02	QTR2	2nd Quarter
Q03	QTR3	3rd Quarter
Q04	QTR4	4th Quarter
Q05	AN AV	Annual Average