|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical energy (optional heading) | $310,991,078 | $478,818,892 | $356,649,911 | $404,997,408 | $387,661,654 | $532,979,591 | $892,978,812 |
| Total | $310,991,078 | $478,818,892 | $356,649,911 | $404,997,408 | $387,661,654 | $532,979,591 | $892,978,812 |
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