|
| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical insulators, of glass | | $404 | | | | |
| Electrical insulators, of ceramics | $1,675 | | | | | $615 |
| Electrical insulators of any mat. other than glass & ceramics | $1,033 | $1,777 | $21,793 | $639 | $10,428 | $111,830 |
| Total | $2,708 | $2,181 | $21,793 | $639 | $10,428 | $112,445 |
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