|
| Commodity | 2005 | 2006 | 2007 |
| Electrical insulators, of glass | $37,796 | $21,543 | $26,625 |
| Electrical insulators, of ceramics | $23,518 | $12,541 | $11,778 |
| Electrical insulators of any mat. other than glass & ceramics | $86,271 | $206,057 | $221,632 |
| Total | $147,585 | $240,141 | $260,035 |
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