|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Electrical insulators, of glass | | $3,594 | | $16,428 | $122 | |
| Electrical insulators, of ceramics | | | | | | $34,592 |
| Electrical insulators of any mat. other than glass & ceramics | $152,799 | $3,823 | $2,550 | $38,621 | $51,377 | $1,895 |
| Total | $152,799 | $7,417 | $2,550 | $55,049 | $51,499 | $36,487 |
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