Commodity2005200620072008200920102011
Electrical energy (optional heading)$549,902,879$668,253,394$543,452,319$989,436,091$661,306,334$1,028,285,294$1,104,441,232
Total$549,902,879$668,253,394$543,452,319$989,436,091$661,306,334$1,028,285,294$1,104,441,232