Commodity2005200620072008200920102011
Worked slate & arts. of slate/agglom. slate$738,911$977,983$1,484,822$1,918,919$1,571,823$1,133,651$854,335
Total$738,911$977,983$1,484,822$1,918,919$1,571,823$1,133,651$854,335