Commodity2005200620072008200920102011
Worked slate & arts. of slate/agglom. slate$26,975,434$14,434,574$19,133,285$13,865,328$14,547,622$12,383,631$11,831,707
Total$26,975,434$14,434,574$19,133,285$13,865,328$14,547,622$12,383,631$11,831,707