Start of the period	End of the period	Due date
January	2012-01-01	2012-01-15	2012-01-25
	2012-01-16	2012-01-31	2012-02-10
February	2012-02-01	2012-02-15	2012-02-27
	2012-02-16	2012-02-29	2012-03-12
March	2012-03-01	2012-03-15	2012-03-26
	2012-03-16	2012-03-31	2012-04-10
April	2012-04-01	2012-04-15	2012-04-25
	2012-04-16	2012-04-30	2012-05-10
May	2012-05-01	2012-05-15	2012-05-25
	2012-05-16	2012-05-31	2012-06-11
June	2012-06-01	2012-06-15	2012-06-25
	2012-06-16	2012-06-30	2012-07-10
July	2012-07-01	2012-07-15	2012-07-25
	2012-07-16	2012-07-31	2012-08-10
August	2012-08-01	2012-08-15	2012-08-27
	2012-08-16	2012-08-31	2012-09-10
September	2012-09-01	2012-09-15	2012-09-25
	2012-09-16	2012-09-30	2012-10-10
October	2012-10-01	2012-10-15	2012-10-25
	2012-10-16	2012-10-31	2012-11-12
November	2012-11-01	2012-11-15	2012-11-26
	2012-11-16	2012-11-30	2012-12-10
December	2012-12-01	2012-12-15	2012-12-26
	2012-12-16	2012-12-31	2013-01-10