|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Worked slate & arts. of slate/agglom. slate | $7,198,446 | $9,198,109 | $9,599,669 | $11,229,329 | $9,606,138 | $8,831,442 | $8,818,021 |
| Total | $7,198,446 | $9,198,109 | $9,599,669 | $11,229,329 | $9,606,138 | $8,831,442 | $8,818,021 |
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