|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electrical energy (optional heading) | $1,897,697,000 | $2,346,570,000 | $2,293,479,000 | $3,007,471,000 | $3,200,447,000 | $2,657,264,856 | $3,546,871,477 |
| Total | $1,897,697,000 | $2,346,570,000 | $2,293,479,000 | $3,007,471,000 | $3,200,447,000 | $2,657,264,856 | $3,546,871,477 |
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