Commodity2005200620072008200920102011
Central heating boilers (excl. of 84.02)$2,807,900$3,124,812$4,249,590$4,168,682$3,910,170$2,737,722$3,963,329
Parts of the boilers of 8403.10$372,786$525,609$668,136$604,531$559,795$574,471$439,135
Total$3,180,686$3,650,421$4,917,726$4,773,213$4,469,965$3,312,193$4,402,464