|
| Commodity | 2005 | 2006 | 2007 | 2010 |
| Electrical insulators, of glass | $77,647 | $7,838,075 | $13,671,793 | $2,042,936 |
| Electrical insulators, of ceramics | $7,540,959 | $9,076,730 | $26,252,738 | $14,708,818 |
| Electrical insulators of any mat. other than glass & ceramics | $20,031,648 | $14,770,128 | $44,037,634 | $18,997,624 |
| Total | $27,650,254 | $31,684,933 | $83,962,165 | $35,749,378 |
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