Arizona 13.40¢ Arkansas 7.30¢ California 3.90¢ Colorado 12.40¢ Connecticut 7.30¢ Washington DC 3.90¢ Delaware 4.70¢ Florida 7.60¢ Georgia 5.40¢ Idaho 10.10¢ Illinois 3.90¢ Indiana 5.50¢ Interstate 3.90¢ Iowa 7.20¢ Kansas 8.70¢ Kentucky 5.20¢ Louisiana 5.50¢ Maine 11.40¢ Maryland 4.60¢ Massachusetts 7.50¢ Michigan 4.10¢ Minnesota 10.20¢ Mississippi 5.90¢ Missouri 18.00¢ Montana 8.70¢ Nebraska 12.80¢ Nevada 11.20¢ New Hampshire 10.40¢ New Jersey 7.90¢ New Mexico 19.80¢ New York 9.00¢ North Carolina 12.10¢ North Dakota 15.80¢ Ohio 5.20¢ Oklahoma 9.10¢ Oregon 9.70¢ Pennsylvania 10.50¢ Rhode Island 11.90¢ South Carolina 11.90¢ South Dakota 16.50¢ Tennessee 6.90¢ Texas 11.90¢ Utah 8.10¢ Vermont 14.90¢ Virginia 15.50¢ Washington 9.50¢ West Virginia 16.70¢ Wisconsin 4.90¢ Wyoming 5.80¢