|
| Commodity | 2005 | 2006 | 2007 | 2009 |
| Electrical insulators, of glass | $189,641 | | | $27 |
| Electrical insulators, of ceramics | $67,886 | $277,130 | $236,477 | $214,704 |
| Electrical insulators of any mat. other than glass & ceramics | $442,821 | $1,401,786 | $419,145 | $632,144 |
| Total | $700,348 | $1,678,916 | $655,622 | $846,875 |
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