Commodity2005200620072008200920102011
Worked slate & arts. of slate/agglom. slate$937,804$2,563,745$2,088,438$1,776,908$1,317,099$1,324,516$928,107
Total$937,804$2,563,745$2,088,438$1,776,908$1,317,099$1,324,516$928,107