Commodity200520062007200820092010
Worked slate & arts. of slate/agglom. slate$13,106,141$17,167,787$24,204,955$20,873,742$13,567,234$16,610,625
Total$13,106,141$17,167,787$24,204,955$20,873,742$13,567,234$16,610,625