|
| Commodity | 2006 | 2007 | 2008 |
| Electrical insulators, of glass | $6,461 | $33,337 | $40,246 |
| Electrical insulators, of ceramics | $832,322 | $5,297,181 | $5,926,763 |
| Electrical insulators of any mat. other than glass & ceramics | $4,747,551 | | $6,458,489 |
| Total | $5,586,334 | $5,330,518 | $12,425,498 |
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