|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2011 |
| Electrical insulators, of glass | | | | $28,750 | $2,073 | $199,562 |
| Electrical insulators, of ceramics | | $101,063 | $368 | $1,700 | $224 | $589 |
| Electrical insulators of any mat. other than glass & ceramics | $41,540 | $21,432 | $72,518 | $91,342 | $410,040 | $1,228,309 |
| Total | $41,540 | $122,495 | $72,886 | $121,792 | $412,337 | $1,428,460 |
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