Commodity2005200620072008200920102011
Worked slate & arts. of slate/agglom. slate$2,603,381$3,064,929$3,262,449$2,465,960$1,134,307$1,945,801$3,510,586
Total$2,603,381$3,064,929$3,262,449$2,465,960$1,134,307$1,945,801$3,510,586