|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Multiple-walled insulating units of glass | $44,413,079 | $44,227,926 | $58,278,793 | $74,368,519 | $55,289,259 | $53,416,703 | $49,367,780 |
| Total | $44,413,079 | $44,227,926 | $58,278,793 | $74,368,519 | $55,289,259 | $53,416,703 | $49,367,780 |
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