|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | $238,853 | $214,697 | $351,126 | $2,135,882 | $559,978 | $566,726 | $209,745 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | $112,346 | $1,278,500 | $193,366 | $276,092 | $414,260 | $379,918 | $247,940 |
| Total | $351,199 | $1,493,197 | $544,492 | $2,411,974 | $974,238 | $946,644 | $457,685 |
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