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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Base metals/silver/gold, clad with platinum, not further worked than semi-m ... | $23,215 | $19,855 | $482,256 | $51,285 | $396,125 | $464,547 | $551,221 |
| Total | $23,215 | $19,855 | $482,256 | $51,285 | $396,125 | $464,547 | $551,221 |
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