Commodity2005200620072008200920102011
Electric generating sets with C-I int. comb. piston engines (diesel/semi-di ...$5,550$600$171,289 $50,696$15,000$14,432
Electric generating sets with C-I int. comb. piston engines (diesel/semi-di ...$5,175 $10,185$5,750$5,020$24,600 
Electric generating sets with C-I int. comb. piston engines (diesel/semi-di ...$11,000  $26,975 $64,375$210,345
Electric generating sets with spark-ignition int. comb. piston engines$8,000 $17,657$2,501$9,600$15,202 
Total$29,725$600$199,131$35,226$65,316$119,177$224,777