|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Slates & boards, with writing/drawing surfaces, whether or not framed | $3,088,628 | $3,949,192 | $6,156,806 | $6,876,564 | $5,838,949 | $6,931,465 | $7,179,379 |
| Total | $3,088,628 | $3,949,192 | $6,156,806 | $6,876,564 | $5,838,949 | $6,931,465 | $7,179,379 |
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