|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical insulators, of glass | $306,744 | $402,650 | $783,629 | $757,962 | $670,263 | $17,655 | $34,471 |
| Electrical insulators, of ceramics | $2,154,853 | $1,850,695 | $2,337,944 | $4,304,526 | $3,716,358 | $5,127,869 | $5,729,433 |
| Electrical insulators of any mat. other than glass & ceramics | $2,015,021 | $1,927,695 | $2,799,861 | $4,077,192 | $3,931,979 | $4,169,857 | $6,074,680 |
| Total | $4,476,618 | $4,181,040 | $5,921,434 | $9,139,680 | $8,318,600 | $9,315,381 | $11,838,584 |
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