Commodity2005200620072008200920102011
Worked slate & arts. of slate/agglom. slate$16,236,835$16,650,119$15,523,438$13,834,006$9,122,213$9,134,477$9,344,559
Total$16,236,835$16,650,119$15,523,438$13,834,006$9,122,213$9,134,477$9,344,559