|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical energy (optional heading) | $65,911,823 | $42,315,942 | $20,674,419 | $55,887,957 | $32,047,673 | $77,047,187 | $279,745,143 |
| Total | $65,911,823 | $42,315,942 | $20,674,419 | $55,887,957 | $32,047,673 | $77,047,187 | $279,745,143 |
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