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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Multiple-walled insulating units of glass | $1,345,121 | $4,023,260 | $5,976,962 | $6,189,114 | $7,674,175 | $10,113,897 | $14,310,615 |
| Total | $1,345,121 | $4,023,260 | $5,976,962 | $6,189,114 | $7,674,175 | $10,113,897 | $14,310,615 |
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