|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical energy (optional heading) | $55,011,432 | $73,087,737 | $51,033,263 | $51,701,118 | $66,577,533 | $32,807,596 | $36,241,931 |
| Total | $55,011,432 | $73,087,737 | $51,033,263 | $51,701,118 | $66,577,533 | $32,807,596 | $36,241,931 |
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