|
| Commodity | 2005 | 2007 | 2008 |
| Electrical insulators, of glass | $121,915 | $185,342 | $46,730 |
| Electrical insulators, of ceramics | $496,179 | $209,533 | $36,246 |
| Electrical insulators of any mat. other than glass & ceramics | $837,256 | $173,888 | $785,709 |
| Total | $1,455,350 | $568,763 | $868,685 |
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