|
| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical insulators, of glass | | $18,000 | $27,924 | | | |
| Electrical insulators, of ceramics | $265 | $8,401 | $3,396 | | $16,565 | $84,999 |
| Electrical insulators of any mat. other than glass & ceramics | $20,629 | $16,914 | $103,639 | $2,958 | $26,703 | $105,566 |
| Total | $20,894 | $43,315 | $134,959 | $2,958 | $43,268 | $190,565 |
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