|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Multiple-walled insulating units of glass | $72,067,403 | $91,086,470 | $59,341,859 | $52,453,568 | $47,380,681 | $49,990,035 | $48,260,482 |
| Total | $72,067,403 | $91,086,470 | $59,341,859 | $52,453,568 | $47,380,681 | $49,990,035 | $48,260,482 |
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