|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Quartz, other than nat. sands | $22,864 | $33,282 | $67,275 | $85,492 | $63,252 | $79,608 | $73,244 |
| Quartzite, crude/roughly trimmed | $5,812 | $737 | | | | | |
| Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ... | $17,407 | $882 | $16,410 | $71,683 | $35,101 | $22,513 | $61,162 |
| Total | $46,083 | $34,901 | $83,685 | $157,175 | $98,353 | $102,121 | $134,406 |
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