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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Quartz, other than nat. sands | $949,834 | $666,033 | $415,860 | $332,454 | $10,777 | $2,966,993 | $2,731,002 |
| Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ... | | | | $41,303 | $7,501 | $640 | $35,086 |
| Total | $949,834 | $666,033 | $415,860 | $373,757 | $18,278 | $2,967,633 | $2,766,088 |
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