Commodity200520062007200820092010
Central heating boilers (excl. of 84.02)$179,268,442$323,230,700$217,992,355$385,731,189$363,961,746$315,034,514
Parts of the boilers of 8403.10$28,559,897$87,527,126$48,548,084$99,876,813$95,414,066$75,930,632
Total$207,828,339$410,757,826$266,540,439$485,608,002$459,375,812$390,965,146