|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical insulators, of glass | | | | | $965 | | |
| Electrical insulators, of ceramics | $17,413,582 | $18,929,858 | $23,605,638 | $24,792,836 | $21,954,458 | $20,553,343 | $19,006,676 |
| Electrical insulators of any mat. other than glass & ceramics | $713,102 | $826,334 | $145,617 | $187,203 | $158,502 | $53,568 | $61,370 |
| Total | $18,126,684 | $19,756,192 | $23,751,255 | $24,980,039 | $22,113,925 | $20,606,911 | $19,068,046 |
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