|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Electrical insulators, of glass | $844 | | | | $516 | |
| Electrical insulators, of ceramics | $24,578 | $5,796 | $22,626 | $38,906 | $13,170 | $5,333 |
| Electrical insulators of any mat. other than glass & ceramics | $8,047 | $720 | $3,353 | $175,302 | $7,819 | $18,071 |
| Total | $33,469 | $6,516 | $25,979 | $214,208 | $21,505 | $23,404 |
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