Commodity2005200620072008200920102011
Producer gas/water gas generators, with/without their purifiers; acetylene ...$11,354$499,775$505,587$1,757,596$218,459$98,395$562,137
Parts of the producer gas/water gas generators/acetylene gas & sim. water p ...$211,124$93,140$86,250$248,286$76,042$9,803$104,962
Total$222,478$592,915$591,837$2,005,882$294,501$108,198$667,099