|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Slates & boards, with writing/drawing surfaces, whether or not framed | $6,212,693 | $7,385,573 | $9,035,771 | $10,915,389 | $9,769,948 | $13,504,270 |
| Total | $6,212,693 | $7,385,573 | $9,035,771 | $10,915,389 | $9,769,948 | $13,504,270 |
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