|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Multiple-walled insulating units of glass | $16,682,000 | $19,458,000 | $22,441,000 | $20,598,000 | $20,466,000 | $21,087,805 | $24,077,736 |
| Total | $16,682,000 | $19,458,000 | $22,441,000 | $20,598,000 | $20,466,000 | $21,087,805 | $24,077,736 |
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