|
| Commodity | 2005 | 2006 | 2007 |
| Electrical insulators, of glass | $502 | $1,612 | |
| Electrical insulators, of ceramics | $1,697,623 | $558,870 | $1,709,932 |
| Electrical insulators of any mat. other than glass & ceramics | $574,746 | $3,793,481 | $1,579,454 |
| Total | $2,272,871 | $4,353,963 | $3,289,386 |
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