|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Electrical insulators, of glass | $2,355,998 | $3,073,121 | $100,799 | | $37,402 |
| Electrical insulators, of ceramics | $218,577 | $5,019,764 | $252,301 | $1,397,738 | $1,186,774 |
| Total | $2,574,575 | $8,092,885 | $353,100 | $1,397,738 | $1,224,176 |
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