|
| Commodity | 2005 | 2006 | 2007 | 2008 |
| Electrical insulators, of glass | $39,497 | $25,424 | $18,069 | $26,929 |
| Electrical insulators, of ceramics | | $4,104 | $320 | $28,621 |
| Electrical insulators of any mat. other than glass & ceramics | $33,700 | $57,299 | $17,326 | $6,411 |
| Total | $73,197 | $86,827 | $35,715 | $61,961 |
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