|
| Commodity | 2005 | 2006 | 2007 | 2009 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | $56,342 | $34,651 | $94,085 | $20,292 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | $270 | $15,731 | $54,259 | $13,312 |
| Total | $56,612 | $50,382 | $148,344 | $33,604 |
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