|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Electrical insulators, of glass | | | $7,121 | $12,424 | | |
| Electrical insulators, of ceramics | $40 | | $6,236 | | | |
| Electrical insulators of any mat. other than glass & ceramics | $15,626 | $106,653 | $16,491 | $49,048 | $22,577 | $10,444 |
| Total | $15,666 | $106,653 | $29,848 | $61,472 | $22,577 | $10,444 |
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