Commodity2005200620072008200920102011
Cobalt & arts. thereof , n.e.s. in 81.05$3,953,412$4,276,344$2,762,921$3,076,965$1,708,257$1,769,179$2,447,652
Total$3,953,412$4,276,344$2,762,921$3,076,965$1,708,257$1,769,179$2,447,652