|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coal gas, water gas, producer gas & sim. gases (excl. petroleum gases & oth ... | $312,626 | $362,119 | $8,834 | $158,290 | $209,424 | $978,386 | $137,390 |
| Total | $312,626 | $362,119 | $8,834 | $158,290 | $209,424 | $978,386 | $137,390 |
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