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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Multiple-walled insulating units of glass | $10,393,170 | $9,995,844 | $16,854,948 | $13,198,782 | $11,087,620 | $10,825,408 | $14,006,010 |
| Total | $10,393,170 | $9,995,844 | $16,854,948 | $13,198,782 | $11,087,620 | $10,825,408 | $14,006,010 |
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