Commodity2005200620072008200920102011
Vermiculite, perlite & chlorites, unexpanded$2,348      
Mineral subs., n.e.s. in Ch.25$18,071$6,550$17,650$25,289$37,103$41,515$80,641
Total$20,419$6,550$17,650$25,289$37,103$41,515$80,641