Commodity2005200620072008200920102011
Central heating boilers (excl. of 84.02)$248,792,461$243,279,975$227,562,738$315,971,374$227,853,473$211,719,885$245,181,331
Parts of the boilers of 8403.10$220,635,259$303,104,484$375,809,629$408,266,447$315,400,400$321,260,247$329,337,195
Total$469,427,720$546,384,459$603,372,367$724,237,821$543,253,873$532,980,132$574,518,526