Commodity2005200620072008200920102011
Electrical insulators, of glass$5,052$7,631$830$324,293$615,672$154,348$517,461
Electrical insulators, of ceramics$1,895$372,597$301,647$150,702$1,387,101$63,284$1,497,879
Electrical insulators of any mat. other than glass & ceramics$3,044,477$1,390,468$1,792,292$2,758,096$679,795$1,206,976$1,456,262
Total$3,051,424$1,770,696$2,094,769$3,233,091$2,682,568$1,424,608$3,471,602