|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Electrical insulators, of glass | $176,887 | $8,729 | $190,470 | $3,589 | $1,629 |
| Electrical insulators, of ceramics | $1,353 | $426 | | $8,049 | $4,593 |
| Electrical insulators of any mat. other than glass & ceramics | $303,929 | $490,190 | $172,085 | $185,758 | $424,060 |
| Total | $482,169 | $499,345 | $362,555 | $197,396 | $430,282 |
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