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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Multiple-walled insulating units of glass | $4,692,800 | $9,793,200 | $12,051,600 | $16,854,600 | $5,819,600 | $4,415,200 | $7,368,700 |
| Total | $4,692,800 | $9,793,200 | $12,051,600 | $16,854,600 | $5,819,600 | $4,415,200 | $7,368,700 |
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