|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Multiple-walled insulating units of glass | $10,054,721 | $9,503,331 | $12,082,399 | $18,318,562 | $18,198,229 | $17,448,329 | $17,329,716 |
| Total | $10,054,721 | $9,503,331 | $12,082,399 | $18,318,562 | $18,198,229 | $17,448,329 | $17,329,716 |
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