Commodity200520062007200820092010
Central heating boilers (excl. of 84.02)$251,464,610$314,668,337$362,789,607$448,205,557$371,470,233$332,855,755
Parts of the boilers of 8403.10$57,033,352$99,985,945$90,293,448$101,575,341$87,016,790$143,679,602
Total$308,497,962$414,654,282$453,083,055$549,780,898$458,487,023$476,535,357