|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Multiple-walled insulating units of glass | $49,303,397 | $51,496,195 | $67,873,358 | $81,698,152 | $82,532,078 | $87,347,085 | $100,464,925 |
| Total | $49,303,397 | $51,496,195 | $67,873,358 | $81,698,152 | $82,532,078 | $87,347,085 | $100,464,925 |
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