Commodity2005200620072008200920102011
Central heating boilers (excl. of 84.02)$149,318,166$174,759,037$206,214,465$282,398,921$263,992,325$274,624,853$332,658,613
Parts of the boilers of 8403.10$27,366,888$33,119,669$38,042,413$42,044,387$39,610,481$49,269,212$58,810,967
Total$176,685,054$207,878,706$244,256,878$324,443,308$303,602,806$323,894,065$391,469,580