|
| Commodity | 2005 | 2006 | 2007 | 2009 | 2011 |
| Electrical insulators, of glass | | $2,590 | $28,760 | | $5,195 |
| Electrical insulators, of ceramics | $2,946 | $19,063 | $337 | $11,245 | $2,809 |
| Electrical insulators of any mat. other than glass & ceramics | $24,376 | $22,003 | $18,715 | $121,873 | $253,527 |
| Total | $27,322 | $43,656 | $47,812 | $133,118 | $261,531 |
|
|
