|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical insulators, of glass | $3,063 | $21,260 | | $3,803 | | | |
| Electrical insulators, of ceramics | $1,636,842 | $2,583,081 | $1,861,005 | $1,352,010 | $634,047 | $2,064,130 | $625,597 |
| Electrical insulators of any mat. other than glass & ceramics | $287,420 | $1,051,701 | $222,569 | $4,875 | $24,172 | $345 | $4,978 |
| Total | $1,927,325 | $3,656,042 | $2,083,574 | $1,360,688 | $658,219 | $2,064,475 | $630,575 |
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