|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical insulators, of glass | $530 | | $6,961 | $20,856 | $163 | | |
| Electrical insulators, of ceramics | $806,712 | $936,043 | $489,807 | $531,586 | $237,367 | $221,523 | $441,462 |
| Electrical insulators of any mat. other than glass & ceramics | $13,950 | $101,601 | $94,162 | $76,686 | $81,457 | $79,569 | $535,387 |
| Total | $821,192 | $1,037,644 | $590,930 | $629,128 | $318,987 | $301,092 | $976,849 |
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