|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Worked slate & arts. of slate/agglom. slate | $33,924,868 | $16,821,852 | $29,291,527 | $24,564,412 | $20,246,850 | $14,033,978 | $16,997,053 |
| Total | $33,924,868 | $16,821,852 | $29,291,527 | $24,564,412 | $20,246,850 | $14,033,978 | $16,997,053 |
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