"State and Local Revenues, by Type, 1980 and 2010"		
Type	1980	2010
Income taxes	13%	13%
Sales taxes	25%	21%
Property taxes	20%	21%
Corporate income taxes	4%	3%
Other taxes	6%	5%
Federal grants-in-aid	21%	26%
Interest receipts	7%	4%
Other revenue	4%	7%