Commodity2005200620072008200920102011
Worked slate & arts. of slate/agglom. slate$1,112,860$1,730,319$2,554,874$3,388,557$2,496,329$2,841,873$2,061,140
Total$1,112,860$1,730,319$2,554,874$3,388,557$2,496,329$2,841,873$2,061,140