Commodity2005200620072008200920102011
Worked slate & arts. of slate/agglom. slate$2,779,637$2,940,008$3,258,973$1,970,755$1,472,685$2,371,428$1,057,392
Total$2,779,637$2,940,008$3,258,973$1,970,755$1,472,685$2,371,428$1,057,392