History for PX

Year	Qtr	# Shares	Change
2016	Q3	3,374	+913
2016	Q2	2,461	+625
2016	Q1	1,836	+288
2015	Q4	1,548	+428
2015	Q3	1,120	+167
2015	Q2	953	+134
2015	Q1	819	+388
2014	Q4	431