Commodity2005200620072008200920102011
Central heating boilers (excl. of 84.02)$101,546,881$121,661,232$126,769,887$178,792,834$161,023,862$148,100,412$152,644,671
Parts of the boilers of 8403.10$39,851,869$49,431,411$64,143,425$92,776,931$78,465,198$107,475,242$113,047,737
Total$141,398,750$171,092,643$190,913,312$271,569,765$239,489,060$255,575,654$265,692,408