|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical insulators, of glass | | | $126 | $2,161 | $17 | | |
| Electrical insulators, of ceramics | | | | $4,321 | | $2,145 | |
| Electrical insulators of any mat. other than glass & ceramics | $3,527 | $2,440 | $3,343 | $39,482 | $75,301 | $4,818 | $15,186 |
| Total | $3,527 | $2,440 | $3,469 | $45,964 | $75,318 | $6,963 | $15,186 |
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