Commodity2005200620072008200920102011
Multiple-walled insulating units of glass$21,144$676,404$2,001,259$5,134,405$8,038,001$3,527,741$6,203,567
Total$21,144$676,404$2,001,259$5,134,405$8,038,001$3,527,741$6,203,567