|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical insulators, of glass | | | | | $64,000 | $3,000 | $34,000 |
| Electrical insulators, of ceramics | | $3,000 | | $26,000 | $31,000 | $42,000 | $3,000 |
| Electrical insulators of any mat. other than glass & ceramics | $120,000 | $729,000 | $153,000 | $246,000 | $1,060,000 | $290,000 | $63,000 |
| Total | $120,000 | $732,000 | $153,000 | $272,000 | $1,155,000 | $335,000 | $100,000 |
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