|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Multiple-walled insulating units of glass | $22,408,005 | $24,382,626 | $26,155,532 | $26,991,670 | $17,862,607 | $19,226,596 | $25,051,798 |
| Total | $22,408,005 | $24,382,626 | $26,155,532 | $26,991,670 | $17,862,607 | $19,226,596 | $25,051,798 |
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