History for MA

Year	Qtr	# Shares	Change
2013	Q1	497,362	-55,400
2012	Q4	552,762	-274,000
2012	Q3	826,762	-674,300
2012	Q2	1,501,062	+112,400
2012	Q1	1,388,662	+245,162
2011	Q4	1,143,500	+381,200
2011	Q3	762,300