Commodity2005200620072008200920102011
Worked slate & arts. of slate/agglom. slate$3,260,383$3,885,870$4,520,330$4,465,225$3,236,835$3,712,125$5,671,321
Total$3,260,383$3,885,870$4,520,330$4,465,225$3,236,835$3,712,125$5,671,321