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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 ... | $131,893 | $129,321 | $344,504 | $235,758 | $230,401 | $253,166 | $72,354 |
| Total | $131,893 | $129,321 | $344,504 | $235,758 | $230,401 | $253,166 | $72,354 |
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