|
| Commodity | 2009 | 2010 | 2011 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | $16,608 | $14,732 | $39,547 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | $70,047 | $63,396 | $315,789 |
| Total | $86,655 | $78,128 | $355,336 |
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