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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Multiple-walled insulating units of glass | $27,417,848 | $27,531,707 | $33,951,765 | $36,421,079 | $37,533,021 | $26,942,759 | $45,555,307 |
| Total | $27,417,848 | $27,531,707 | $33,951,765 | $36,421,079 | $37,533,021 | $26,942,759 | $45,555,307 |
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