Commodity2005200620072008200920102011
Multiple-walled insulating units of glass$477,946$2,263,356$5,145,106$6,886,076$3,173,423$3,994,233$4,607,941
Total$477,946$2,263,356$5,145,106$6,886,076$3,173,423$3,994,233$4,607,941