|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Worked slate & arts. of slate/agglom. slate | $5,833,309 | $7,126,008 | $8,840,421 | $9,090,899 | $8,055,235 | $8,640,406 | $10,269,950 |
| Total | $5,833,309 | $7,126,008 | $8,840,421 | $9,090,899 | $8,055,235 | $8,640,406 | $10,269,950 |
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