|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Multiple-walled insulating units of glass | $217,271,126 | $228,697,876 | $214,659,453 | $184,479,348 | $143,159,335 | $156,088,803 | $155,112,990 |
| Total | $217,271,126 | $228,697,876 | $214,659,453 | $184,479,348 | $143,159,335 | $156,088,803 | $155,112,990 |
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