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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Multiple-walled insulating units of glass | $30,822,652 | $34,560,325 | $55,630,137 | $58,918,493 | $40,160,704 | $39,808,061 | $54,990,770 |
| Total | $30,822,652 | $34,560,325 | $55,630,137 | $58,918,493 | $40,160,704 | $39,808,061 | $54,990,770 |
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