|
| Commodity | 2007 | 2008 | 2009 | 2010 | 2011 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | | $6,500 | $136,100 | $79,146 | $2,384 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | $5,900 | $16,158 | $308,294 | $86,200 | $323,325 |
| Total | $5,900 | $22,658 | $444,394 | $165,346 | $325,709 |
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