Commodity2005200620072008200920102011
Multiple-walled insulating units of glass$777,407$1,729,157$819,175$1,098,301$1,618,572$7,117,021$7,060,367
Total$777,407$1,729,157$819,175$1,098,301$1,618,572$7,117,021$7,060,367