Commodity2005200620072008200920102011
Producer gas/water gas generators, with/without their purifiers; acetylene ...$169,528$988,345$250,801$213,562$101,585$106,471$561,283
Parts of the producer gas/water gas generators/acetylene gas & sim. water p ...$45,114$42,776$80,001$157,610$21,823$37,726$357,421
Total$214,642$1,031,121$330,802$371,172$123,408$144,197$918,704