|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical insulators, of glass | $26,125 | $36,123 | $344,551 | $12,626 | $102,789 | $7,516 | $34,539 |
| Electrical insulators, of ceramics | $6,083,091 | $7,945,505 | $8,988,722 | $10,418,875 | $15,318,379 | $10,438,752 | $16,465,678 |
| Electrical insulators of any mat. other than glass & ceramics | $2,926,663 | $3,164,187 | $7,105,782 | $4,953,604 | $15,252,263 | $5,609,860 | $8,032,004 |
| Total | $9,035,879 | $11,145,815 | $16,439,055 | $15,385,105 | $30,673,431 | $16,056,128 | $24,532,221 |
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