|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical energy (optional heading) | $478,799,267 | $655,798,372 | $528,812,521 | $696,057,214 | $617,318,261 | $708,137,104 | $758,813,782 |
| Total | $478,799,267 | $655,798,372 | $528,812,521 | $696,057,214 | $617,318,261 | $708,137,104 | $758,813,782 |
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