Commodity2005200620072008200920102011
Worked slate & arts. of slate/agglom. slate$4,156,823$4,075,520$6,255,748$7,268,677$6,261,610$7,474,148$8,540,117
Total$4,156,823$4,075,520$6,255,748$7,268,677$6,261,610$7,474,148$8,540,117