|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical insulators, of glass | | $1,296 | $1,357 | | | | |
| Electrical insulators, of ceramics | $459,665 | $79,444 | $70,712 | $93,936 | $50,858 | $30,889 | $72,754 |
| Electrical insulators of any mat. other than glass & ceramics | $13,439 | $22,456 | $20,094 | $43,272 | $52,743 | $154,375 | $71,864 |
| Total | $473,104 | $103,196 | $92,163 | $137,208 | $103,601 | $185,264 | $144,618 |
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