|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Slates & boards, with writing/drawing surfaces, whether or not framed | $17,615,487 | $21,995,021 | $29,520,958 | $25,047,042 | $22,778,423 | $27,926,621 | $29,319,600 |
| Total | $17,615,487 | $21,995,021 | $29,520,958 | $25,047,042 | $22,778,423 | $27,926,621 | $29,319,600 |
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