CREATE VIEW v_incdiff AS
	SELECT geoid, inc2010_hs, 
	inc2010_as, 
	inc2017_hs, 
	inc2017_as, 
	(inc2017_hs-inc2010_hs) AS hsincdiff, 
	(inc2017_as-inc2010_as) AS asincdiff, 
	inc2010.geom
	FROM inc2010 INNER JOIN inc2017 
	ON (inc2010.geoid = inc2017.geoid);