Commodity2005200620072008200920102011
Multiple-walled insulating units of glass$9,352,534$9,175,973$7,794,512$6,918,217$5,166,145$1,565,664$801,999
Total$9,352,534$9,175,973$7,794,512$6,918,217$5,166,145$1,565,664$801,999