|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical energy (optional heading) | $504,452,845 | $1,125,879,330 | $722,307,960 | $1,025,222,357 | $731,588,861 | $1,277,478,799 | $965,201,309 |
| Total | $504,452,845 | $1,125,879,330 | $722,307,960 | $1,025,222,357 | $731,588,861 | $1,277,478,799 | $965,201,309 |
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