|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Base metals/silver/gold, clad with platinum, not further worked than semi-m ... | $330,605 | $58,870 | $1,419,619 | $709,344 | $189,027 | $1,169,376 | $1,527,743 |
| Total | $330,605 | $58,870 | $1,419,619 | $709,344 | $189,027 | $1,169,376 | $1,527,743 |
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