|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coal gas, water gas, producer gas & sim. gases (excl. petroleum gases & oth ... | $12,544,463 | $7,893,299 | $4,543,593 | $6,714,419 | $6,446,321 | $6,074,270 | $3,298 |
| Total | $12,544,463 | $7,893,299 | $4,543,593 | $6,714,419 | $6,446,321 | $6,074,270 | $3,298 |
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