|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Producer gas/water gas generators, with/without their purifiers; acetylene ... | $35,153 | $293,468 | $4,963 | $1,191 | $54,584 | $35,552 | $38,279 |
| Parts of the producer gas/water gas generators/acetylene gas & sim. water p ... | $5,100 | $2,618 | $4,934 | $11,753 | $1,559 | $1,934 | $5,601 |
| Total | $40,253 | $296,086 | $9,897 | $12,944 | $56,143 | $37,486 | $43,880 |
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