|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical insulators, of glass | | $470 | $1,006 | | | | $14,885 |
| Electrical insulators, of ceramics | $27,076 | $202,628 | $55,583 | $133,138 | $76,907 | $285,873 | $80,668 |
| Electrical insulators of any mat. other than glass & ceramics | $1,705,814 | $2,223,260 | $2,282,594 | $4,663,869 | $2,618,927 | $2,535,519 | $1,362,278 |
| Total | $1,732,890 | $2,426,358 | $2,339,183 | $4,797,007 | $2,695,834 | $2,821,392 | $1,457,831 |
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