|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Slates & boards, with writing/drawing surfaces, whether or not framed | $10,142,341 | $11,724,750 | $15,032,091 | $12,509,123 | $10,256,780 | $13,518,201 | $15,344,671 |
| Total | $10,142,341 | $11,724,750 | $15,032,091 | $12,509,123 | $10,256,780 | $13,518,201 | $15,344,671 |
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