|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Worked slate & arts. of slate/agglom. slate | $8,525,076 | $10,599,454 | $12,738,050 | $12,747,877 | $10,216,712 | $13,199,013 | $12,895,240 |
| Total | $8,525,076 | $10,599,454 | $12,738,050 | $12,747,877 | $10,216,712 | $13,199,013 | $12,895,240 |
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