|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Electrical insulators, of glass | $146,369 | | $29,254 | $314,135 | $921 | $7,328 |
| Electrical insulators, of ceramics | $9,136 | $215,273 | $23,836 | $168,709 | $80,821 | $33,519 |
| Electrical insulators of any mat. other than glass & ceramics | $511,895 | $525,755 | $543,628 | $1,116,630 | $700,354 | $1,814,746 |
| Total | $667,400 | $741,028 | $596,718 | $1,599,474 | $782,096 | $1,855,593 |
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