Commodity200520062007200820092010
Electric generating sets with C-I int. comb. piston engines (diesel/semi-di ...$267,442$204,355$74,345$157,812$141,950$47,166
Electric generating sets with C-I int. comb. piston engines (diesel/semi-di ...$430,902$754,198$266,016$749,961$242,336$2,012,333
Electric generating sets with C-I int. comb. piston engines (diesel/semi-di ...$21,000$30,000$143,581$426,194$446,822 
Electric generating sets with spark-ignition int. comb. piston engines$706  $8,334$4,342$3,256
Electric rotary converters$965    $7,650
Total$721,015$988,553$483,942$1,342,301$835,450$2,070,405