Commodity2005200620072008200920102011
Worked slate & arts. of slate/agglom. slate$33,924,868$16,821,852$29,291,527$24,564,412$20,246,850$14,033,978$16,997,053
Total$33,924,868$16,821,852$29,291,527$24,564,412$20,246,850$14,033,978$16,997,053