|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Slates & boards, with writing/drawing surfaces, whether or not framed | $4,674,492 | $4,550,933 | $5,364,847 | $6,600,418 | $6,133,245 | $5,877,730 | $7,577,292 |
| Total | $4,674,492 | $4,550,933 | $5,364,847 | $6,600,418 | $6,133,245 | $5,877,730 | $7,577,292 |
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