|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Slates & boards, with writing/drawing surfaces, whether or not framed | $2,185,000 | $2,381,000 | $2,594,000 | $3,176,000 | $3,417,000 | $3,339,000 | $3,507,000 |
| Total | $2,185,000 | $2,381,000 | $2,594,000 | $3,176,000 | $3,417,000 | $3,339,000 | $3,507,000 |
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