|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Slates & boards, with writing/drawing surfaces, whether or not framed | $4,025,710 | $4,245,180 | $5,257,517 | $6,964,019 | $5,475,767 | $7,733,358 | $8,123,597 |
| Total | $4,025,710 | $4,245,180 | $5,257,517 | $6,964,019 | $5,475,767 | $7,733,358 | $8,123,597 |
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