|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | $33,087 | $85,164 | $101,199 | $42,078 | $7,946 | $18,007 | $58,391 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | $137 | $658 | $9,492 | $6,787 | $38,220 | $34,316 | $10,652 |
| Total | $33,224 | $85,822 | $110,691 | $48,865 | $46,166 | $52,323 | $69,043 |
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