Commodity200520062007200920102011
Radiators for central heating, non-electrically heated, & parts thereof , o ... $496$1,800   
Radiators for central heating, non-electrically heated, & parts thereof , o ...$900 $980 $1,280 
Air heaters & hot air distributors..., not electrically heated, incorp. a m ...$900  $4,000$381$1,205
Total$1,800$496$2,780$4,000$1,661$1,205