|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Base metals clad with silver, not further worked than semi-manufactured | $677,000 | $498,000 | $767,000 | $418,000 | $263,000 | $2,033,661 | $8,260,886 |
| Total | $677,000 | $498,000 | $767,000 | $418,000 | $263,000 | $2,033,661 | $8,260,886 |
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