|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Electrical insulators, of glass | | $30,400 | $110,669 | $9,243 | | |
| Electrical insulators, of ceramics | $1,519,001 | $1,341,826 | $2,047,855 | $1,248,753 | $1,147,827 | $894,900 |
| Electrical insulators of any mat. other than glass & ceramics | $31,604 | $187,579 | $729,741 | $2,020,527 | $1,878,736 | $3,677,477 |
| Total | $1,550,605 | $1,559,805 | $2,888,265 | $3,278,523 | $3,026,563 | $4,572,377 |
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