Commodity2005200620072008200920102011
Worked slate & arts. of slate/agglom. slate$935,647$1,167,616$1,411,789$1,748,980$1,703,638$1,687,311$1,561,761
Total$935,647$1,167,616$1,411,789$1,748,980$1,703,638$1,687,311$1,561,761