Commodity2005200620072008200920102011
Furnace burners for liquid fuel$847$46,867$39,720$1,567$130,595$32,855$17,951
Furnace burners other than those for liquid fuel, incl. combination burners ...$1,526$1,724$4,647$5,354$252,837$39,774$1,040,975
Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ...$4,344 $42,289$1,150 $310,241 
Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ...$3,197$34,138$7,591$63$50,917$6,319$13,717
Total$9,914$82,729$94,247$8,134$434,349$389,189$1,072,643