|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical energy (optional heading) | $2,706,246,664 | $2,735,052,033 | $2,974,572,977 | $3,352,869,871 | $4,008,134,200 | $3,524,296,624 | $4,148,365,971 |
| Total | $2,706,246,664 | $2,735,052,033 | $2,974,572,977 | $3,352,869,871 | $4,008,134,200 | $3,524,296,624 | $4,148,365,971 |
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