|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical insulators, of glass | $12,095 | $7,227 | $12,497 | $84 | $12,353 | | $84,499 |
| Electrical insulators, of ceramics | $1,328,087 | $1,690,732 | $756,936 | $381,477 | $329,841 | $479,383 | $987,854 |
| Electrical insulators of any mat. other than glass & ceramics | $1,245,624 | $831,231 | $989,643 | $1,273,178 | $878,027 | $1,119,505 | $1,083,949 |
| Total | $2,585,806 | $2,529,190 | $1,759,076 | $1,654,739 | $1,220,221 | $1,598,888 | $2,156,302 |
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