|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Electrical insulators, of glass | | $486 | | | | $9,282 |
| Electrical insulators, of ceramics | $2,661 | $5,023 | $20,215 | $37,449 | $79,592 | $7,446 |
| Electrical insulators of any mat. other than glass & ceramics | $81,334 | $206,926 | $179,487 | $130,022 | $292,355 | $220,227 |
| Total | $83,995 | $212,435 | $199,702 | $167,471 | $371,947 | $236,955 |
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