|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Quartz, other than nat. sands | $24,590 | $10,671 | $34,457 | $61,532 | $81,103 | $24,380 | $29,224 |
| Quartzite, crude/roughly trimmed | $4,003 | $1,813 | $4,196 | $624 | | | |
| Quartzite, cut, by sawing/othw., into blocks/slabs of a rect. (incl. square ... | $1,210 | | $12,806 | $3,284 | $143 | $25,383 | $8,075 |
| Total | $29,803 | $12,484 | $51,459 | $65,440 | $81,246 | $49,763 | $37,299 |
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