|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical insulators, of glass | | | | | $1,776 | $730 | |
| Electrical insulators, of ceramics | $794 | $16,101 | $12,130 | $117,678 | $21,290 | $748 | $2,985 |
| Electrical insulators of any mat. other than glass & ceramics | $97,260 | $23,616 | $39,394 | $45,680 | $53,236 | $109,565 | $92,941 |
| Total | $98,054 | $39,717 | $51,524 | $163,358 | $76,302 | $111,043 | $95,926 |
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