Commodity200520062007200820092010
Worked slate & arts. of slate/agglom. slate$7,460,263$7,118,186$9,108,061$13,433,779$8,657,978$10,551,795
Total$7,460,263$7,118,186$9,108,061$13,433,779$8,657,978$10,551,795