|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Worked slate & arts. of slate/agglom. slate | $28,648,234 | $48,530,097 | $111,979,035 | $124,658,750 | $102,812,359 | $131,412,311 | $138,034,385 |
| Total | $28,648,234 | $48,530,097 | $111,979,035 | $124,658,750 | $102,812,359 | $131,412,311 | $138,034,385 |
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