Commodity2005200620072008200920102011
Worked slate & arts. of slate/agglom. slate$3,314,265$2,843,584$3,890,125$6,126,599$3,865,448$6,426,319$5,723,860
Total$3,314,265$2,843,584$3,890,125$6,126,599$3,865,448$6,426,319$5,723,860