Commodity200520062007200820092010
Producer gas/water gas generators, with/without their purifiers; acetylene ...$1,845,569$5,086,254$1,223,161$1,886,165$5,185,513$7,094,141
Parts of the producer gas/water gas generators/acetylene gas & sim. water p ...$592,907$1,661,011$3,355,699$4,302,675$5,195,067$4,777,856
Total$2,438,476$6,747,265$4,578,860$6,188,840$10,380,580$11,871,997