History for BRK-A

Year	Qtr	# Shares	Change
2012	Q3	28,168	+1,246
2012	Q2	26,922	+1,309
2012	Q1	25,613	+494
2011	Q4	25,119	+176
2011	Q3	24,943	+321
2011	Q2	24,622	+297
2011	Q1	24,325	-1
2010	Q4	24,326
2010	Q4	7,574,192	+7,549,870
2010	Q3	24,322
2010	Q3	8,709,943