|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Slates & boards, with writing/drawing surfaces, whether or not framed | $10,581,000 | $10,219,000 | $12,069,000 | $20,617,000 | $19,615,000 | $17,474,319 | $20,112,082 |
| Total | $10,581,000 | $10,219,000 | $12,069,000 | $20,617,000 | $19,615,000 | $17,474,319 | $20,112,082 |
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