|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical energy (optional heading) | $314,794,359 | $488,379,378 | $433,262,927 | $366,819,938 | $282,816,045 | $418,755,848 | $686,510,484 |
| Total | $314,794,359 | $488,379,378 | $433,262,927 | $366,819,938 | $282,816,045 | $418,755,848 | $686,510,484 |
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