|
| Commodity | 2005 | 2007 | 2009 | 2010 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | $4,780 | $3,928 | $9,441 | $20,409 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | $40,338 | | $66,801 | |
| Total | $45,118 | $3,928 | $76,242 | $20,409 |
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