Commodity200520062007200820092010
Electric generating sets with C-I int. comb. piston engines (diesel/semi-di ... $13,070 $34,418$246,922 
Electric generating sets with C-I int. comb. piston engines (diesel/semi-di ...    $360,517 
Electric generating sets with C-I int. comb. piston engines (diesel/semi-di ...$82,072$4,138,197$581,843$1,546,816$2,209,193$684,738
Electric generating sets with spark-ignition int. comb. piston engines$76,887$176,635$118,472 $20,961 
Total$158,959$4,327,902$700,315$1,581,234$2,837,593$684,738