Commodity2005200620072008200920102011
Catalysts in the form of wire cloth/grill, of platinum $55$256,998$1,399$17,195$1,240 
Articles of precious metal/metal clad with precious metal, n.e.s. in Ch.71$31,129$72,660$41,427$107,180$32,180$68,670$45,818
Total$31,129$72,715$298,425$108,579$49,375$69,910$45,818