|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Electrical insulators, of glass | $6,306 | $3,796 | $894 | $2,458 | $294,748 |
| Electrical insulators, of ceramics | $41,170 | $103,437 | $41,471 | $183,743 | $119,981 |
| Electrical insulators of any mat. other than glass & ceramics | $1,486 | $2 | $388 | $32,015 | $12,089 |
| Total | $48,962 | $107,235 | $42,753 | $218,216 | $426,818 |
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