Commodity200520062007200820092010
Furnace burners for liquid fuel$92,848$56,045$37,188$22,638$19,116$48,498
Furnace burners other than those for liquid fuel, incl. combination burners ...$176,183$266,660$343,264$132,682$760,921$71,576
Mechanical stokers (incl. their mech. grates), mech. ash dischargers & sim. ...$5,169$1,575$7,186$15,675$3,044$9,278
Parts of the furnace burners, mech. stokers & mech. ash dischargers & sim. ...$282,323$111,006$384,689$320,181$2,469,762$349,249
Total$556,523$435,286$772,327$491,176$3,252,843$478,601