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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Refractory bricks, blocks, tiles & sim. refractory ceramic constructional g ... | $97,528 | $103,701 | $731,990 | $776,674 | $408,903 | $217,762 | $437,890 |
| Total | $97,528 | $103,701 | $731,990 | $776,674 | $408,903 | $217,762 | $437,890 |
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