Commodity2005200620072008200920102011
Worked slate & arts. of slate/agglom. slate$2,593,659$3,644,242$3,016,624$2,984,110$1,863,412$3,127,021$3,870,988
Total$2,593,659$3,644,242$3,016,624$2,984,110$1,863,412$3,127,021$3,870,988