|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical insulators, of glass | $3,091 | $8,110 | $6,914 | | $4,648 | $43,943 | $9,496 |
| Electrical insulators, of ceramics | $664,397 | $684,818 | $901,381 | $515,365 | $56,722 | $22,308 | $274,846 |
| Electrical insulators of any mat. other than glass & ceramics | $64,470 | $91,376 | $395,987 | $591,373 | $255,983 | $238,589 | $225,659 |
| Total | $731,958 | $784,304 | $1,304,282 | $1,106,738 | $317,353 | $304,840 | $510,001 |
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