Commodity2005200620072008200920102011
Worked slate & arts. of slate/agglom. slate$6,050,356$7,634,923$7,813,349$8,615,378$6,801,768$6,742,906$8,059,514
Total$6,050,356$7,634,923$7,813,349$8,615,378$6,801,768$6,742,906$8,059,514