|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical insulators, of glass | $37 | $35,075 | $120 | | $74 | $347 | |
| Electrical insulators, of ceramics | $1,848 | | | $54,792 | $10,687 | | $316,508 |
| Electrical insulators of any mat. other than glass & ceramics | $1,450,036 | $354,221 | $331,022 | $307,819 | $389,044 | $285,783 | $216,763 |
| Total | $1,451,921 | $389,296 | $331,142 | $362,611 | $399,805 | $286,130 | $533,271 |
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