|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Worked slate & arts. of slate/agglom. slate | $8,871,663 | $9,437,466 | $8,928,972 | $10,121,405 | $8,985,771 | $6,986,699 | $8,610,089 |
| Total | $8,871,663 | $9,437,466 | $8,928,972 | $10,121,405 | $8,985,771 | $6,986,699 | $8,610,089 |
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