|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coal gas, water gas, producer gas & sim. gases (excl. petroleum gases & oth ... | $843,314 | $764,337 | $52,450 | $77,775 | $93,310 | $102,408 | $486,803 |
| Total | $843,314 | $764,337 | $52,450 | $77,775 | $93,310 | $102,408 | $486,803 |
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