Commodity2005200620072008200920102011
Multiple-walled insulating units of glass$6,288,707$10,507,271$21,331,699$30,055,681$27,146,786$37,860,172$67,197,577
Total$6,288,707$10,507,271$21,331,699$30,055,681$27,146,786$37,860,172$67,197,577