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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Catalysts in the form of wire cloth/grill, of platinum | | | | | $9,662 | | |
| Articles of precious metal/metal clad with precious metal, n.e.s. in Ch.71 | $7,000 | $86,746 | $54,155 | $55,821 | $149,463 | $357,006 | $100,523 |
| Total | $7,000 | $86,746 | $54,155 | $55,821 | $159,125 | $357,006 | $100,523 |
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