|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical insulators, of ceramics | | | | $251,692 | | $6,799 | |
| Electrical insulators of any mat. other than glass & ceramics | $480,875 | $601 | $257,688 | $792,917 | $408,501 | $1,329,138 | $276,467 |
| Total | $480,875 | $601 | $257,688 | $1,044,609 | $408,501 | $1,335,937 | $276,467 |
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